diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index 38cf86d..4a35299 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -63,7 +63,7 @@
 endif
 
 # If CFI is disabled globally, remove it from my_sanitize.
-ifeq ($(strip $(ENABLE_CFI)),)
+ifeq ($(strip $(ENABLE_CFI)),false)
   my_sanitize := $(filter-out cfi,$(my_sanitize))
   my_sanitize_diag := $(filter-out cfi,$(my_sanitize_diag))
 endif