diff --git a/testing/scripts/diff-remove-abspath b/testing/scripts/diff-remove-abspath
index 0d84aafd7e..14d5fca052 100755
--- a/testing/scripts/diff-remove-abspath
+++ b/testing/scripts/diff-remove-abspath
@@ -9,4 +9,4 @@ else
 fi
 
 $sed 's#/+#/#g' | \
-$sed 's#/([^\t :/]{1,}/){1,}([^\t :/]{1,})#<...>/\2#g'
+$sed 's#/([^	 :/]{1,}/){1,}([^	 :/]{1,})#<...>/\2#g'