diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index b9f0988..d05640c 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -37,7 +37,7 @@
   cts_platform_release_path := cts/tests/tests/os/assets/platform_releases.txt
   cts_platform_release_string := $(shell cat $(cts_platform_release_path))
 
-  ifneq (REL,$(PLATFORM_VERSION_CODENAME))
+  ifeq ($(RELEASE_PLATFORM_VERSION_CODENAME_REL),)
     ifeq (,$(findstring $(PLATFORM_VERSION),$(cts_platform_version_string)))
       define error_msg
         ============================================================