diff --git a/test/SpagoSpec.hs b/test/SpagoSpec.hs
index 0d8dabcce..f4bb16ae9 100644
--- a/test/SpagoSpec.hs
+++ b/test/SpagoSpec.hs
@@ -133,14 +133,16 @@ spec = around_ setup $ do
       mv "src/Main.purs" "another_source_path/Main.purs"
       spago ["build", "--path", "another_source_path/*.purs"] >>= shouldBeSuccess
 
-    -- it "Spago should add sources to config when key is missing" $ do
-
-    --   spago ["init"] >>= shouldBeSuccess
-    --   -- Replace initial config with the old config format (without 'sources')
-    --   writeTextFile "spago.dhall" =<< readFixture "spago-configV1.dhall"
-    --   spago ["build"] >>= shouldBeSuccess
-    --   mv "spago.dhall" "spago-configV2.dhall"
-    --   checkFixture "spago-configV2.dhall"
+    it "Spago should add sources to config when key is missing" $ do
+
+      configV1 <- readFixture "spago-configV1.dhall"
+      spago ["init"] >>= shouldBeSuccess
+      -- Replace initial config with the old config format (without 'sources')
+      writeTextFile "spago.dhall" configV1
+
+      spago ["build"] >>= shouldBeSuccess
+      mv "spago.dhall" "spago-configV2.dhall"
+      checkFixture "spago-configV2.dhall"
 
   describe "spago test" $ do