diff --git a/fix.sh b/fix.sh
index 5dd91a9f0..21314f841 100644
--- a/fix.sh
+++ b/fix.sh
@@ -102,7 +102,7 @@ gen_makefile()
       echo "" >> $makefile
   fi
 
-  if [ X"$debug" == X"y" ] ; then echo -n "#" >> $makefile ; fi
+  if [ X"$debug" = X"y" ] ; then echo -n "#" >> $makefile ; fi
   echo "RELEASE = 1" >> $makefile
 
   if [ X"$debug" != X"y" ] ; then echo -n "#" >> $makefile ; fi