diff --git a/buildjdk.sh b/buildjdk.sh
index 0841a9a..937c07e 100755
--- a/buildjdk.sh
+++ b/buildjdk.sh
@@ -22,8 +22,8 @@ cp -R -f override-jre-files/* openjdk/
 cd openjdk
 rm -rf build
 bash ./configure \
-    CFLAGS=$CFLAGS \
-    CXXFLAGS=$CXXFLAGS \
+	--with-extra-cflags=$CFLAGS \
+	--with-extra-cxxflags=$CXXFLAGS \
 	--enable-headless-only \
 	--enable-option-checking=fatal \
 	--openjdk-target=$TARGET \