diff --git a/configure.in b/configure.in
index 184195e73..253c71572 100644
--- a/configure.in
+++ b/configure.in
@@ -877,7 +877,7 @@ else
     AC_MSG_RESULT(no)
 fi
 
-CFLAGS=`echo $CFLAGS | sed 's/ -g //g'`
+CFLAGS=`echo $CFLAGS | sed 's/ -g / /g'`
 CFLAGS=`echo $CFLAGS | sed 's/^-g //g'`
 CFLAGS=`echo $CFLAGS | sed 's/ -g$//g'`
 CFLAGS=`echo $CFLAGS | sed 's/^-g$//g'`