diff --git a/fuzzers/005-tilegrid/.gitignore b/fuzzers/005-tilegrid/.gitignore
index 96a8fae1..c81cafb0 100644
--- a/fuzzers/005-tilegrid/.gitignore
+++ b/fuzzers/005-tilegrid/.gitignore
@@ -1,2 +1,2 @@
-/specimen_[0-9][0-9][0-9]/
+/specimen_*/
 /tilegrid.json
diff --git a/fuzzers/012-lut5/.gitignore b/fuzzers/012-lut5/.gitignore
index 252118b4..ce77578f 100644
--- a/fuzzers/012-lut5/.gitignore
+++ b/fuzzers/012-lut5/.gitignore
@@ -1,2 +1,2 @@
-/specimen_[0-9][0-9][0-9]/
-/seg_clblx.segbits
+/specimen_*/
+/*.segbits