diff --git a/math/openlibm/Makefile b/math/openlibm/Makefile
index 25aa528ab1e9..e082f8503a23 100644
--- a/math/openlibm/Makefile
+++ b/math/openlibm/Makefile
@@ -31,7 +31,7 @@ USE_LDCONFIG=	yes
 .if ${ARCH} == powerpc64
 USES+=		compiler:gcc-c++11-lib
 .else
-USES+=		compiler
+USES+=		compiler:c11
 .endif
 
 .include <bsd.port.pre.mk>