diff --git a/tools/hwp.hsfiles b/tools/hwp.hsfiles
index e20b36e..6a14b83 100644
--- a/tools/hwp.hsfiles
+++ b/tools/hwp.hsfiles
@@ -20,6 +20,7 @@ ghc-options:
 - -Wincomplete-uni-patterns
 - -Wredundant-constraints
 - -Wnoncanonical-monad-instances
+- -Wpartial-fields
 - -Werror
 - -O2
 dependencies: