diff --git a/testing/scripts/diff-remove-abspath b/testing/scripts/diff-remove-abspath
index e08d64d5e2..979e3f532d 100755
--- a/testing/scripts/diff-remove-abspath
+++ b/testing/scripts/diff-remove-abspath
@@ -9,4 +9,4 @@ else
 fi
 
 $sed 's#/+#/#g' |
-    $sed 's#/([^	 :/]{1,}/){1,}([^	 :/]{1,})#<...>/\2#g'
+    $sed 's#([a-zA-Z]:)?/([^	 :/]{1,}/){1,}([^	 :/]{1,})#<...>/\3#g'