diff --git a/mozilla/configure.in b/mozilla/configure.in
index 78bf352d99b..61f5fb774fd 100644
--- a/mozilla/configure.in
+++ b/mozilla/configure.in
@@ -2126,7 +2126,7 @@ case "$target" in
         AC_MSG_CHECKING(for -exported_symbols_list option to ld)
         AC_CACHE_VAL(ac_cv_exported_symbols_list,
          [
-           if $LD -exported_symbols_list | grep "argument missing" >/dev/null; then
+           if $LD -exported_symbols_list 2>&1 | grep "argument missing" >/dev/null; then
              ac_cv_exported_symbols_list=true
            else
              ac_cv_exported_symbols_list=false