diff --git a/tests/data/test558 b/tests/data/test558
index e9c3b2c834..a1ac7d475e 100644
--- a/tests/data/test558
+++ b/tests/data/test558
@@ -49,7 +49,7 @@ MEM escape.c: free()
 s/ =.*//
 s/\(.*\)/()/
 s/:\d+/:/
-s:^(MEM )(.*/)(.*):$1$3:
+s:^(MEM |FD )(.*/)(.*):$1$3:
 </stripfile>
 </verify>