diff --git a/testing/scripts/diff-remove-abspath b/testing/scripts/diff-remove-abspath
index 7c30936262..7206c5d440 100755
--- a/testing/scripts/diff-remove-abspath
+++ b/testing/scripts/diff-remove-abspath
@@ -4,4 +4,4 @@
 
 sed -E 's#/+#/#g' |
     sed -E 's#[^( ]*testing_btest#<___>testing_btest#' |
-    sed -E 's#([a-zA-Z]:)?/([^	 :/]{1,}/){1,}([^	 :/]{1,})#<...>/\3#g'
+    sed -E 's#/([^	 :/]{1,}/){1,}([^	 :/]{1,})#<...>/\2#g'