diff --git a/make/defs.mk b/make/defs.mk
index d801347e..01c5e85f 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -90,12 +90,12 @@ export REENTRANT
 USE_CFG_XXX_MK        ?= true
 ifeq ($(USE_CFG_XXX_MK),true)
 ifeq ($(DEVELOPMENT),true)
-	-include $(MODDIR)/make/defs-dev.mk
+  -include $(MODDIR)/make/defs-dev.mk
   ifneq ($(wildcard $(TOPDIR)/make/cfg_dev.mk),)
 	-include $(TOPDIR)/make/cfg_dev.mk
   endif
 else
-	-include $(MODDIR)/make/defs-dist.mk
+  -include $(MODDIR)/make/defs-dist.mk
   ifneq ($(wildcard $(TOPDIR)/make/cfg_dist.mk),)
 	-include $(TOPDIR)/make/cfg_dist.mk
   endif