diff --git a/srcpkgs/openjdk/template b/srcpkgs/openjdk/template
index cc4a752c8b0..85479a0d3c8 100644
--- a/srcpkgs/openjdk/template
+++ b/srcpkgs/openjdk/template
@@ -144,7 +144,7 @@ do_build() {
 }
 
 post_extract() {
-	if [ "${_gccver%%.*}" -gt 5 ]; then
+	if [ ${XBPS_GCC_VERSION_MAJOR} -gt 5 ]; then
 		cd ${XBPS_BUILDDIR}/jdk-${_repo_ver}
 		# gcc6 complains about the signed shift left
 		sed -i src/share/native/com/sun/java/util/jar/pack/constants.h \