diff --git a/tests/Main.hs b/tests/Main.hs
index 0b30dd6..0045922 100644
--- a/tests/Main.hs
+++ b/tests/Main.hs
@@ -34,4 +34,5 @@ main = do
 #if __GLASGOW_HASKELL__ >= 800
     ++ DNonEmptyProperties.properties
 #endif
+  OverloadedStrings.test
   unless (isSuccess result) exitFailure