diff --git a/config/unix/detect.mk b/config/unix/detect.mk
index f330deda9..40ed2bee9 100644
--- a/config/unix/detect.mk
+++ b/config/unix/detect.mk
@@ -38,6 +38,7 @@ else
 ifneq ($(findstring gcc,$(shell $(CC) --version)),)
 is_gcc := 1
 endif
+endif
 
 ifdef is_gcc
 CONFIG_RULES := $(BUILD)$(SEP)unix-gcc.mk