diff --git a/kconfig/kconfig.mk b/kconfig/kconfig.mk
index ea559f0c..4bde05ac 100644
--- a/kconfig/kconfig.mk
+++ b/kconfig/kconfig.mk
@@ -20,7 +20,7 @@ endif
 
 # Build a list of all config files
 ARCHS              = $(patsubst $(CT_LIB_DIR)/arch/%,%,$(wildcard $(CT_LIB_DIR)/arch/*))
-ARCH_CONFIG_FILE   = $(wildcard $(CT_LIB_DIR)/arch/*/*.in)
+ARCH_CONFIG_FILES  = $(wildcard $(CT_LIB_DIR)/arch/*/*.in)
 DEBUG_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/debug/*.in)
 TOOLS_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/tools/*.in)