diff --git a/packages/devel/glibc/package.mk b/packages/devel/glibc/package.mk
index 1b0d783e02..46b711cb9a 100644
--- a/packages/devel/glibc/package.mk
+++ b/packages/devel/glibc/package.mk
@@ -53,7 +53,7 @@ PKG_CONFIGURE_OPTS_TARGET="BASH_SHELL=/bin/sh \
                            --enable-lock-elision \
                            --disable-timezone-tools"
 
-if [ "$DEBUG" = yes ]; then
+if build_with_debug; then
   PKG_CONFIGURE_OPTS_TARGET="$PKG_CONFIGURE_OPTS_TARGET --enable-debug"
 else
   PKG_CONFIGURE_OPTS_TARGET="$PKG_CONFIGURE_OPTS_TARGET --disable-debug"