diff --git a/Makefile.include b/Makefile.include
index a89855b939deaeacc6657f83e60ac6c5a29fd488..a809d229102a3d8737f48300b5af577b5c243b7d 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -65,7 +65,7 @@ endif
 MAKEOVERRIDES += $(foreach v,$(__DIRECTORY_VARIABLES),$(v)=$($(v)))
 
 # Path to the current directory relative to RIOTPROJECT
-BUILDRELPATH ?= $(PWD:$(RIOTPROJECT)/%=%)/
+BUILDRELPATH ?= $(CURDIR:$(RIOTPROJECT)/%=%)/
 
 # get host operating system
 OS := $(shell uname)