diff --git a/package/cjson/cjson.mk b/package/cjson/cjson.mk
index aea9578526..c554654805 100644
--- a/package/cjson/cjson.mk
+++ b/package/cjson/cjson.mk
@@ -9,7 +9,10 @@ CJSON_SITE = $(call github,DaveGamble,cjson,$(CJSON_VERSION))
 CJSON_INSTALL_STAGING = YES
 CJSON_LICENSE = MIT
 CJSON_LICENSE_FILES = LICENSE
+# Set ENABLE_CUSTOM_COMPILER_FLAGS to OFF in particular to disable
+# -fstack-protector-strong which depends on BR2_TOOLCHAIN_HAS_SSP
 CJSON_CONF_OPTS += \
-	-DENABLE_CJSON_TEST=OFF
+	-DENABLE_CJSON_TEST=OFF \
+	-DENABLE_CUSTOM_COMPILER_FLAGS=OFF
 
 $(eval $(cmake-package))