diff --git a/common.mk b/common.mk
index fb4774a..83c4f1c 100644
--- a/common.mk
+++ b/common.mk
@@ -41,7 +41,7 @@
     common_flags += -D__ARM_HAVE_NEON
 endif
 
-ifeq ($(call is-board-platform-in-list, $(MASTER_SIDE_CP_TARGET_LIST)), true)
+ifneq (,$(call is-board-platform-in-list2, $(MASTER_SIDE_CP_TARGET_LIST)))
     common_flags += -DMASTER_SIDE_CP
 endif