diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 857cffd9c..6f326fe24 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -277,9 +277,9 @@ static int gdb_get_char_inner(struct connection *connection, int *next_char)
 	gdb_con->buf_cnt--;
 	*next_char = *(gdb_con->buf_p++);
 	if (gdb_con->buf_cnt > 0)
-		connection->input_pending = 1;
+		connection->input_pending = true;
 	else
-		connection->input_pending = 0;
+		connection->input_pending = false;
 #ifdef _DEBUG_GDB_IO_
 	LOG_DEBUG("returned char '%c' (0x%2.2x)", *next_char, *next_char);
 #endif
@@ -302,9 +302,9 @@ static inline int gdb_get_char_fast(struct connection *connection,
 		*next_char = **buf_p;
 		(*buf_p)++;
 		if (*buf_cnt > 0)
-			connection->input_pending = 1;
+			connection->input_pending = true;
 		else
-			connection->input_pending = 0;
+			connection->input_pending = false;
 
 #ifdef _DEBUG_GDB_IO_
 		LOG_DEBUG("returned char '%c' (0x%2.2x)", *next_char, *next_char);
diff --git a/src/server/server.c b/src/server/server.c
index 8e641176a..f32a9c76f 100644
--- a/src/server/server.c
+++ b/src/server/server.c
@@ -76,7 +76,7 @@ static int add_connection(struct service *service, struct command_context *cmd_c
 	memset(&c->sin, 0, sizeof(c->sin));
 	c->cmd_ctx = copy_command_context(cmd_ctx);
 	c->service = service;
-	c->input_pending = 0;
+	c->input_pending = false;
 	c->priv = NULL;
 	c->next = NULL;
 
diff --git a/src/server/server.h b/src/server/server.h
index 96e0b48ef..ab9b72f90 100644
--- a/src/server/server.h
+++ b/src/server/server.h
@@ -49,7 +49,7 @@ struct connection {
 	struct sockaddr_in sin;
 	struct command_context *cmd_ctx;
 	struct service *service;
-	int input_pending;
+	bool input_pending;
 	void *priv;
 	struct connection *next;
 };