diff --git a/lib/libsmdb/Makefile b/lib/libsmdb/Makefile
--- a/lib/libsmdb/Makefile
+++ b/lib/libsmdb/Makefile
@@ -25,4 +25,4 @@
 
 .include <bsd.lib.mk>
 
-CWARNFLAGS+= ${NO_WDEPRECATED_NON_PROTOTYPE}
+CWARNFLAGS+= ${NO_WDEPRECATED_NON_PROTOTYPE} ${NO_WSTRICT_PROTOTYPES}