diff --git a/src/Stack/Build/Execute.hs b/src/Stack/Build/Execute.hs
index 9dde648a9c..2d788ac516 100644
--- a/src/Stack/Build/Execute.hs
+++ b/src/Stack/Build/Execute.hs
@@ -1012,8 +1012,9 @@ singleBuild runInBase ac@ActionContext {..} ee@ExecuteEnv {..} task@Task {..} in
                                 ,sourceFlag])
 
         withMVar eeInstallLock $ \() -> do
-            announce "install"
-            cabal False ["install"]
+            announce "copy/register"
+            cabal False ["copy"]
+            cabal False ["register"]
 
         let pkgDbs =
                 case taskLocation task of