diff --git a/science/udunits/Makefile b/science/udunits/Makefile
index a1d1f51e3859..3a865aa79e23 100644
--- a/science/udunits/Makefile
+++ b/science/udunits/Makefile
@@ -15,7 +15,7 @@ LIB_DEPENDS=	libexpat.so:${PORTSDIR}/textproc/expat2
 OPTIONS_DEFINE=	DOCS
 
 CONFIGURE_ENV=	ac_cv_header_CUnit_CUnit_h=no
-CPPFLAGS+=	-fPIC -I${LOCALBASE}/include
+CPPFLAGS+=	-I${LOCALBASE}/include
 GNU_CONFIGURE=	yes
 LDFLAGS+=	-L${LOCALBASE}/lib
 MAKE_ENV=	INSTALL_STRIP_FLAG=${STRIP}