diff --git a/cmd/minikube/cmd/start.go b/cmd/minikube/cmd/start.go
index 03e76c6000365a75cf97c697ef18b207a227256c..aaa5fbe55e212ff22509eb96f4d34f0007826b2a 100644
--- a/cmd/minikube/cmd/start.go
+++ b/cmd/minikube/cmd/start.go
@@ -210,8 +210,11 @@ func runStart(cmd *cobra.Command, args []string) {
 		if viper.GetBool(createMount) {
 			mount := viper.GetString(mountString)
 			if len(existing.ContainerVolumeMounts) != 1 || existing.ContainerVolumeMounts[0] != mount {
-				out.WarningT("Due to the limitations of {{.driver}}, it's not possible to the change mount configuration of an existing cluster.", out.V{"driver": existing.Driver})
-				out.WarningT("If necessary delete and recreate the cluster, proceeding with old mount configuration")
+				exit.Message(reason.GuestMountConflict, "Sorry, {{.driver}} does not allow mounts to be changed after container creation (previous mount: '{{.old}}', new mount: '{{.new}})'", out.V{
+					"driver": existing.Driver,
+					"new":    mount,
+					"old":    existing.ContainerVolumeMounts[0],
+				})
 			}
 		}
 
diff --git a/pkg/minikube/reason/reason.go b/pkg/minikube/reason/reason.go
index c5a96d9932d97f1515c8d77a4e902017e958ac2c..21b4bb8b95048f96fde25bd4d14bd258c1e2ffe6 100644
--- a/pkg/minikube/reason/reason.go
+++ b/pkg/minikube/reason/reason.go
@@ -214,6 +214,7 @@ var (
 	GuestDeletion         = Kind{ID: "GUEST_DELETION", ExitCode: ExGuestError}
 	GuestLoadHost         = Kind{ID: "GUEST_LOAD_HOST", ExitCode: ExGuestError}
 	GuestMount            = Kind{ID: "GUEST_MOUNT", ExitCode: ExGuestError}
+	GuestMountConflict    = Kind{ID: "GUEST_MOUNT_CONFLICT", ExitCode: ExGuestConflict}
 	GuestNodeAdd          = Kind{ID: "GUEST_NODE_ADD", ExitCode: ExGuestError}
 	GuestNodeDelete       = Kind{ID: "GUEST_NODE_DELETE", ExitCode: ExGuestError}
 	GuestNodeProvision    = Kind{ID: "GUEST_NODE_PROVISION", ExitCode: ExGuestError}