diff --git a/persistent/persistent.cabal b/persistent/persistent.cabal
index 5ccdbef36..67ab7a388 100644
--- a/persistent/persistent.cabal
+++ b/persistent/persistent.cabal
@@ -124,7 +124,7 @@ test-suite test
       , th-lift-instances
 
     hs-source-dirs:
-        .
+        ./
         test/
     cpp-options: -DTEST