diff --git a/packages/logging/logging.js b/packages/logging/logging.js
index a163b4a657..6fa04fa616 100644
--- a/packages/logging/logging.js
+++ b/packages/logging/logging.js
@@ -97,8 +97,7 @@ Log._getCallerDetails = function () {
       return {file: "eval"};
     }
 
-    // XXX probably wants to be / or .js in case no source maps
-    if (!line.match(/packages\/logging(?:\/|(?::tests)?\.js)/))
+    if (!line.match(/packages\/logging(?:\/|(?::test)?(\/|\.js))/))
       break;
   }
 
diff --git a/packages/logging/logging_test.js b/packages/logging/logging_test.js
index d70c5584f2..b00b0d3c36 100644
--- a/packages/logging/logging_test.js
+++ b/packages/logging/logging_test.js
@@ -181,4 +181,3 @@ Tinytest.add("logging - format", function (test) {
       level.charAt(0).toUpperCase() + '20120908-07:06:05.004' + utcOffsetStr + ' (app.js:42) message');
   });
 });
-