diff --git a/math/gsl/Makefile b/math/gsl/Makefile
index 0207a694a832..d6e6ddc6645a 100644
--- a/math/gsl/Makefile
+++ b/math/gsl/Makefile
@@ -44,4 +44,10 @@ post-install:
 regression-test:
 	@cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} ${GMAKE} check
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "powerpc"
+BROKEN=		Does not compile on powerpc
+.endif
+
+.include <bsd.port.post.mk>