diff --git a/common/environment/configure/build-pie.sh b/common/environment/configure/build-pie.sh
index 7f0b2fbd5f7..d083c6b7624 100644
--- a/common/environment/configure/build-pie.sh
+++ b/common/environment/configure/build-pie.sh
@@ -2,5 +2,6 @@ _GCCSPECSDIR=${XBPS_COMMONDIR}/environment/configure/gccspecs
 
 if [ -n "$build_pie" ]; then
 	CFLAGS+=" -specs=$_GCCSPECSDIR/hardened-cc1"
+	CXXFLAGS+=" -specs=$_GCCSPECSDIR/hardened-cc1"
 	LDFLAGS+=" -specs=$_GCCSPECSDIR/hardened-ld"
 fi