1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 569254299..bf9c5c8b4 100644
--- a/Makefile
+++ b/Makefile
@@ -256,7 +256,7 @@ hdevtools:
 distributionupdate:
 	git pull
 	cabal configure
-	ghc --make Build/DistributionUpdate -XPackageImports -optP-include -optPdist/build/autogen/cabal_macros.h
+	ghc -Wall --make Build/DistributionUpdate -XPackageImports -optP-include -optPdist/build/autogen/cabal_macros.h
 	./Build/DistributionUpdate
 
 .PHONY: git-annex git-union-merge git-recover-repository tags build-stamp