diff --git a/card-tools.js b/card-tools.js
index 922cd34..fc760b2 100644
--- a/card-tools.js
+++ b/card-tools.js
@@ -195,7 +195,7 @@ if (!window.cardTools){
           parts.shift();
           parts.forEach(item => v = v[item]);
           return v;
-        } catch {
+        } catch (err) {
           return error || `[[ Template matching failed ${str} ]]`;
         }
       }