diff --git a/frontend/src/Frontend/UI/Dialogs/NetworkEdit.hs b/frontend/src/Frontend/UI/Dialogs/NetworkEdit.hs
index a381b45eb..f136ec8f3 100644
--- a/frontend/src/Frontend/UI/Dialogs/NetworkEdit.hs
+++ b/frontend/src/Frontend/UI/Dialogs/NetworkEdit.hs
@@ -8,6 +8,7 @@
 {-# LANGUAGE LambdaCase            #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE OverloadedStrings     #-}
+{-# LANGUAGE PatternGuards         #-}
 {-# LANGUAGE QuasiQuotes           #-}
 {-# LANGUAGE RecursiveDo           #-}
 {-# LANGUAGE ScopedTypeVariables   #-}