diff --git a/main.go b/main.go
index 24a5b4d2..4bb9b666 100644
--- a/main.go
+++ b/main.go
@@ -193,6 +193,9 @@ func main() {
 							return errs
 						}
 					}
+					if errs := state.PrepareRelease(helm, "diff"); errs != nil && len(errs) > 0 {
+						return errs
+					}
 
 					_, errs := executeDiffCommand(c, state, helm, c.Bool("detailed-exitcode"), c.Bool("suppress-secrets"))
 					return errs