diff --git a/devel/rkcommon/Makefile b/devel/rkcommon/Makefile
index b52f1832a6a7..1f10bae59a9e 100644
--- a/devel/rkcommon/Makefile
+++ b/devel/rkcommon/Makefile
@@ -18,12 +18,7 @@ USE_GITHUB=	yes
 GH_ACCOUNT=	ospray
 
 CMAKE_OFF=	BUILD_TESTING
+CXXFLAGS_i386=	-msse2 # workaround for error: '_mm_setcsr' needs target feature sse
 CMAKE_TESTING_ON=	BUILD_TESTING
 
-.include <bsd.port.options.mk>
-
-.if ${ARCH} == "i386"
-CXXFLAGS+=	-msse2 # workaround for error: '_mm_setcsr' needs target feature sse
-.endif
-
 .include <bsd.port.mk>