diff --git a/.github/rust.json b/.github/rust.json
index 2a3504c..424c540 100644
--- a/.github/rust.json
+++ b/.github/rust.json
@@ -33,7 +33,7 @@
             "owner": "cargo-fmt",
             "pattern": [
                 {
-                    "regexp": "^(Diff in (\\S+)) at line (\\d):",
+                    "regexp": "^(Diff in (\\S+)) at line (\\d+):",
                     "message": 1,
                     "file": 2,
                     "line": 3
@@ -41,4 +41,4 @@
             ]
         }
     ]
-}
\ No newline at end of file
+}