diff --git a/matchers.json b/matchers.json
index 24be341..ed07009 100644
--- a/matchers.json
+++ b/matchers.json
@@ -4,7 +4,7 @@
             "owner": "go",
             "pattern": [
                 {
-                    "regexp": "^\\s*(.+\\.go):(?:(\\d+):(\\d+):)? (.*)",
+                    "regexp": "^\\s*(.+\\.go):(?:(\\d+):(?:(\\d+):)?)? (.*)",
                     "file": 1,
                     "line": 2,
                     "column": 3,