diff --git a/src/python/jw/pkg/lib/Result.py b/src/python/jw/pkg/lib/Result.py
index 5f30ff86..60b7c122 100644
--- a/src/python/jw/pkg/lib/Result.py
+++ b/src/python/jw/pkg/lib/Result.py
@@ -46,7 +46,7 @@ class Result:
         else:
             ret = self.stdout_str[:20]
         if quote:
-            ret = '"{ret}"'
+            ret = f'"{ret}"'
         return ret
 
     def __repr__(self) -> str: