diff --git a/semantic-ast/semantic-ast.cabal b/semantic-ast/semantic-ast.cabal
index 0ab53b392..7f65c1584 100644
--- a/semantic-ast/semantic-ast.cabal
+++ b/semantic-ast/semantic-ast.cabal
@@ -72,5 +72,5 @@ executable semantic-ast
                      , aeson
                      , bytestring
                      , aeson-pretty
-  hs-source-dirs:      src
+  hs-source-dirs:      app
   default-language:    Haskell2010