diff --git a/pkg/universe.dagger.io/docker/build.cue b/pkg/universe.dagger.io/docker/build.cue
index cc04cb67..019a75fe 100644
--- a/pkg/universe.dagger.io/docker/build.cue
+++ b/pkg/universe.dagger.io/docker/build.cue
@@ -32,7 +32,7 @@ import (
 	input?: #Image
 	output: #Image
 	...
-} | #Run
+}
 
 // Build step that copies files into the container image
 #Copy: {