diff --git a/poky/meta/recipes-devtools/ruby/ruby.inc b/poky/meta/recipes-devtools/ruby/ruby.inc
index c0ceb1c..ce1b02f 100644
--- a/poky/meta/recipes-devtools/ruby/ruby.inc
+++ b/poky/meta/recipes-devtools/ruby/ruby.inc
@@ -35,6 +35,6 @@
 # built.
 
 do_configure_prepend() {
-    sed -i "s#%%TARGET_CFLAGS%%#$TARGET_CFLAGS#; s#%%TARGET_LDFLAGS%%#$TARGET_LDFLAGS#" ${S}/common.mk
+    sed -i "s#%%TARGET_CFLAGS%%#$CFLAGS#; s#%%TARGET_LDFLAGS%%#$LDFLAGS#" ${S}/common.mk
     rm -rf ${S}/ruby/
 }