diff --git a/converters/p5-Unicode-String/Makefile b/converters/p5-Unicode-String/Makefile
index 54ee6c510695..07f4df65cc19 100644
--- a/converters/p5-Unicode-String/Makefile
+++ b/converters/p5-Unicode-String/Makefile
@@ -23,6 +23,7 @@ MAN3=		Unicode::CharName.3 Unicode::String.3
 MAN3PREFIX=	${PREFIX}/lib/perl5/${PERL_VERSION}
 
 do-configure:
-		@cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${PERL5} Makefile.PL
+	cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${PERL5} Makefile.PL \
+		CC="${CC}" CCFLAGS="${CFLAGS}"
 
 .include <bsd.port.mk>