diff --git a/graphics/rawstudio/Makefile b/graphics/rawstudio/Makefile
index c8170d1c3cbb..ffaaa4f7d894 100644
--- a/graphics/rawstudio/Makefile
+++ b/graphics/rawstudio/Makefile
@@ -35,6 +35,7 @@ USE_XORG=	x11
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 
+CFLAGS+=	-Wno-incompatible-function-pointer-types
 CXXFLAGS+=	-Wno-c++11-narrowing
 
 OPTIONS_DEFINE=	NLS