diff --git a/app/Main.hs b/app/Main.hs
index cd298c7c..79b15d21 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -36,6 +36,7 @@ defaultProject =
             "-Wall",
             "-Werror",
             "-Wno-unused-variable",
+            "-Wno-unused-but-set-variable",
             "-Wno-self-assign"
           ],
       projectLibFlags = case platform of