diff --git a/src/context.h b/src/context.h
index c6484658..b89a5876 100644
--- a/src/context.h
+++ b/src/context.h
@@ -309,19 +309,19 @@ struct getdns_context {
 	/* request extension defaults */
 	getdns_dict *header;
 	getdns_dict *add_opt_parameters;
-	int add_warning_for_bad_dns             : 1;
-	int dnssec_return_all_statuses          : 1;
-	int dnssec_return_full_validation_chain : 1;
-	int dnssec_return_only_secure           : 1;
-	int dnssec_return_status                : 1;
-	int dnssec_return_validation_chain      : 1;
+	unsigned add_warning_for_bad_dns             : 1;
+	unsigned dnssec_return_all_statuses          : 1;
+	unsigned dnssec_return_full_validation_chain : 1;
+	unsigned dnssec_return_only_secure           : 1;
+	unsigned dnssec_return_status                : 1;
+	unsigned dnssec_return_validation_chain      : 1;
 #ifdef DNSSEC_ROADBLOCK_AVOIDANCE
-	int dnssec_roadblock_avoidance          : 1;
+	unsigned dnssec_roadblock_avoidance          : 1;
 #endif
-	int edns_cookies                        : 1;
-	int return_api_information              : 1; /* Not used */
-	int return_both_v4_and_v6               : 1;
-	int return_call_reporting               : 1;
+	unsigned edns_cookies                        : 1;
+	unsigned return_api_information              : 1; /* Not used */
+	unsigned return_both_v4_and_v6               : 1;
+	unsigned return_call_reporting               : 1;
 	uint16_t specify_class;
 
 	/*