diff --git a/mozilla/configure b/mozilla/configure
index 589b49181d5..59d2b9128ea 100755
--- a/mozilla/configure
+++ b/mozilla/configure
@@ -6663,7 +6663,7 @@ fi
 echo "$ac_t""$ac_os2_declspec" 1>&6
         if test "$ac_os2_declspec" = "yes"; then
            FILTER='true'
-           MOZ_OS2_USE_DECLSPEC='1'
+           MOZ_OS2_USE_DECLSPEC=''
         fi
         
     # Visual Age C++ build