diff --git a/src/test/check_getdns_cancel_callback.h b/src/test/check_getdns_cancel_callback.h
index facf31bc..c6cad3c7 100644
--- a/src/test/check_getdns_cancel_callback.h
+++ b/src/test/check_getdns_cancel_callback.h
@@ -466,23 +466,23 @@
          callback_canceled++;
          ck_assert_msg(transaction_id % 2,
            "Only callbacks with odd transaction_ids were canceled, this one is even: %d",
-           transaction_id);
+           (int)transaction_id);
        }
        else if(callback_type == GETDNS_CALLBACK_COMPLETE)
        {
          callback_completed++;
          ck_assert_msg((transaction_id % 2) == 0,
            "One callbacks with even transaction_ids should complete, this one is odd: %d",
-           transaction_id);
+           (int)transaction_id);
        }
        else
        {
          if(transaction_id % 2)
            ck_abort_msg("callback_type should == GETDNS_CALLBACK_CANCEL for odd transaction_id (%d), got: %d",
-             transaction_id, callback_type);
+             (int)transaction_id, (int)callback_type);
          else
            ck_abort_msg("callback_type should == GETDNS_CALLBACK_COMPLETE for even transaction_id (%d), got %d",
-             transaction_id, callback_type);
+             (int)transaction_id, (int)callback_type);
        }
      }
 
diff --git a/src/test/check_getdns_common.c b/src/test/check_getdns_common.c
index 723f7f81..b43f5d8b 100644
--- a/src/test/check_getdns_common.c
+++ b/src/test/check_getdns_common.c
@@ -196,7 +196,7 @@ void assert_nodata(struct extracted_response *ex_response)
 
   ASSERT_RC(getdns_list_get_length(ex_response->answer, &length),
     GETDNS_RETURN_GOOD, "Failed to extract \"answer\" length");
-  ck_assert_msg(length == 0, "Expected \"answer\" length == 0, got %d", length);
+  ck_assert_msg(length == 0, "Expected \"answer\" length == 0, got %d", (int)length);
 
   ASSERT_RC(ex_response->status, GETDNS_RESPSTATUS_NO_NAME, "Unexpected value for \"status\"");
 }
@@ -222,7 +222,7 @@ void assert_address_in_answer(struct extracted_response *ex_response, int a, int
 
   ASSERT_RC(getdns_list_get_length(ex_response->answer, &length),
     GETDNS_RETURN_GOOD, "Failed to extract \"answer\" length");
-  ck_assert_msg(length == ancount, "Expected \"answer\" length == ancount: %d, got %d", ancount, length);
+  ck_assert_msg(length == ancount, "Expected \"answer\" length == ancount: %d, got %d", (int)ancount, (int)length);
 
   for(i = 0; i < length; i++)
   {
@@ -257,7 +257,7 @@ void assert_address_in_just_address_answers(struct extracted_response *ex_respon
     GETDNS_RETURN_GOOD, "Failed to extract \"just_address_answers\" length");
   
   if (length == 0) resp_str = getdns_pretty_print_dict(ex_response->response);
-  ck_assert_msg(length > 0, "Expected \"just_address_answers\" length > 0, got %d\n%s", length, resp_str);
+  ck_assert_msg(length > 0, "Expected \"just_address_answers\" length > 0, got %d\n%s", (int)length, resp_str);
   if (length == 0) free(resp_str);
 }
 
@@ -294,7 +294,7 @@ void assert_soa_in_authority(struct extracted_response *ex_response)
 
   ASSERT_RC(getdns_list_get_length(ex_response->authority, &length),
     GETDNS_RETURN_GOOD, "Failed to extract \"authority\" length");
-  ck_assert_msg(length == nscount, "Expected \"authority\" length == nscount: %d, got %d", nscount, length);
+  ck_assert_msg(length == nscount, "Expected \"authority\" length == nscount: %d, got %d", (int)nscount, (int)length);
 
   for(i = 0; i < length; i++)
   {
@@ -328,7 +328,7 @@ void assert_ptr_in_answer(struct extracted_response *ex_response)
 
   ASSERT_RC(getdns_list_get_length(ex_response->answer, &length),
     GETDNS_RETURN_GOOD, "Failed to extract \"answer\" length");
-  ck_assert_msg(length == ancount, "Expected \"answer\" length == ancount: %d, got %d", ancount, length);
+  ck_assert_msg(length == ancount, "Expected \"answer\" length == ancount: %d, got %d", (int)ancount, (int)length);
 
   for(i = 0; i < length; i++)
   {
diff --git a/src/test/check_getdns_convert_alabel_to_ulabel.h b/src/test/check_getdns_convert_alabel_to_ulabel.h
index b58ef41e..37530888 100644
--- a/src/test/check_getdns_convert_alabel_to_ulabel.h
+++ b/src/test/check_getdns_convert_alabel_to_ulabel.h
@@ -44,7 +44,7 @@
       char *alabel = NULL;
 
       ck_assert_msg( getdns_convert_alabel_to_ulabel( alabel ) == 0,
-               "Was not expecting %d from getdns_convert_alabel_to_ulabel()", getdns_convert_alabel_to_ulabel( alabel ) );
+               "Was not expecting %p from getdns_convert_alabel_to_ulabel()", getdns_convert_alabel_to_ulabel( alabel ) );
 
      }
      END_TEST
diff --git a/src/test/check_getdns_convert_ulabel_to_alabel.h b/src/test/check_getdns_convert_ulabel_to_alabel.h
index 3af671f8..d20c8c84 100644
--- a/src/test/check_getdns_convert_ulabel_to_alabel.h
+++ b/src/test/check_getdns_convert_ulabel_to_alabel.h
@@ -45,7 +45,7 @@
 
 
       ck_assert_msg(( getdns_convert_ulabel_to_alabel( ulabel ) == 0 ),
-               "Was not expecting %d from getdns_convert_ulabel_to_alabel()", getdns_convert_ulabel_to_alabel( ulabel ) );
+               "Was not expecting %p from getdns_convert_ulabel_to_alabel()", getdns_convert_ulabel_to_alabel( ulabel ) );
      }
      END_TEST
 
diff --git a/src/test/check_getdns_dict_get_bindata.h b/src/test/check_getdns_dict_get_bindata.h
index 60366983..874d124d 100644
--- a/src/test/check_getdns_dict_get_bindata.h
+++ b/src/test/check_getdns_dict_get_bindata.h
@@ -161,7 +161,7 @@
         GETDNS_RETURN_GOOD, "Return code from getdns_dict_get_bindata()");
 
       ck_assert_msg(answer->size == bindata.size, "Expected bindata size == %d, got: %d",
-        bindata.size, answer->size);
+        (int)bindata.size, (int)answer->size);
       ck_assert_msg(strcmp((char *)answer->data, (char *)bindata.data) == 0, 
         "Expected bindata data to be \"%s\", got: \"%s\"",
         (char *)bindata.data, (char *)answer->data);
diff --git a/src/test/check_getdns_dict_get_names.h b/src/test/check_getdns_dict_get_names.h
index 0881ad0f..4275d4fb 100644
--- a/src/test/check_getdns_dict_get_names.h
+++ b/src/test/check_getdns_dict_get_names.h
@@ -98,7 +98,7 @@
       ASSERT_RC(getdns_list_get_length(answer, &length),
         GETDNS_RETURN_GOOD, "Return code from getdns_list_get_length()");
  
-      ck_assert_msg(length == 3, "Expected length == 3, got %d", length);
+      ck_assert_msg(length == 3, "Expected length == 3, got %d", (int)length);
 
       for(i = 0; i < length; i++)
       {
diff --git a/src/test/check_getdns_dict_set_bindata.h b/src/test/check_getdns_dict_set_bindata.h
index ac51c3a5..c73030cf 100644
--- a/src/test/check_getdns_dict_set_bindata.h
+++ b/src/test/check_getdns_dict_set_bindata.h
@@ -112,9 +112,9 @@
       ASSERT_RC(getdns_dict_get_bindata(this_dict, "bindata", &retrieved_bindata),
         GETDNS_RETURN_GOOD, "Return code from getdns_dict_get_bindata()");
 
-      ck_assert_msg(retrieved_bindata->size, second_bindata.size,
+      ck_assert_msg(retrieved_bindata->size == second_bindata.size,
         "Expected retrieved bindata size == %d, got: %d",
-        second_bindata.size, retrieved_bindata->size);
+        (int)second_bindata.size, (int)retrieved_bindata->size);
 
       ck_assert_msg(strcmp((char *)retrieved_bindata->data, (char *)second_bindata.data) == 0,
         "Expected retrieved bindata to be \"%s\", got: \"%s\"",
@@ -152,7 +152,7 @@
 
       ck_assert_msg(retrieved_bindata->size == bindata.size, 
         "Expected retrieved bindata size == %d, got: %d",
-        bindata.size, retrieved_bindata->size);
+        (int)bindata.size, (int)retrieved_bindata->size);
 
       ck_assert_msg(strcmp((char *)retrieved_bindata->data, (char *)bindata.data) == 0, 
         "Expected bindata data to be \"%s\", got: \"%s\"",
diff --git a/src/test/check_getdns_list_get_length.h b/src/test/check_getdns_list_get_length.h
index 3ccb8551..e1bceb68 100644
--- a/src/test/check_getdns_list_get_length.h
+++ b/src/test/check_getdns_list_get_length.h
@@ -89,7 +89,7 @@
       ASSERT_RC(getdns_list_get_length(list, &length),
         GETDNS_RETURN_GOOD, "Return code from getdns_list_get_length()");
 
-      ck_assert_msg(length == 3, "Expected length == 3, got %d", length);
+      ck_assert_msg(length == 3, "Expected length == 3, got %d", (int)length);
 
       LIST_DESTROY(list);
     }
@@ -110,7 +110,7 @@
       ASSERT_RC(getdns_list_get_length(list, &length),
         GETDNS_RETURN_GOOD, "Return code from getdns_list_get_length()");
 
-      ck_assert_msg(length == 0, "Expected length == 3, got %d", length);
+      ck_assert_msg(length == 0, "Expected length == 3, got %d", (int)length);
 
       LIST_DESTROY(list);    
     }