diff --git a/tools/minidumpserver.py b/tools/minidumpserver.py
index f44af7d469..091c58e2c4 100755
--- a/tools/minidumpserver.py
+++ b/tools/minidumpserver.py
@@ -244,7 +244,7 @@ class dump_log_file:
                     line = line[tmp.span()[1] :]
                 continue
 
-            tmp = re.search("_stackdump:", line)
+            tmp = re.search("stackdump:", line)
             if tmp is not None:
                 # find stackdump
                 line = line[tmp.span()[1] :]