diff --git a/Makefile b/Makefile
index 956336747d9..3b6239ec957 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 SHELL = /bin/bash
 
-include Makefile.e2e
+include e2e.mk
 
 REGISTRY = kubeovn
 DEV_TAG = dev
diff --git a/Makefile.e2e b/e2e.mk
similarity index 100%
rename from Makefile.e2e
rename to e2e.mk