diff --git a/test/run b/test/run
index cb23ae8f..a17246fc 100755
--- a/test/run
+++ b/test/run
@@ -102,7 +102,7 @@ main() {
             number_failures=$(($number_failures + 1))
           fi
         else
-            sed -ri 's/^[0-9]+:[0-9]+: //g' stderr
+            sed -i -e 's/^[0-9]*:[0-9]*: //g' stderr
             if [ -s error ] && ! cmp -s error stderr; then
               color=yellow
             fi