diff --git a/Makefile.modules b/Makefile.modules
index a0a173467d153206ff16380ca4f8400c9deb611e..246a8d6e37df83adad0cd2783069329359fd64b3 100644
--- a/Makefile.modules
+++ b/Makefile.modules
@@ -2,6 +2,7 @@ export MAKEBASE =$(RIOTBASE)
 UNDEF += $(BINDIR)startup.o
 
 USEMODULE += cpu core sys
+INCLUDES += -I$(RIOTBASE)/core/include -I$(RIOTBASE)/drivers/include -I$(RIOTBASE)/sys/include
 ED = $(USEMODULE:%=-DMODULE_%)
 EXTDEFINES = $(shell echo $(ED)|tr 'a-z' 'A-Z')
 BL=$(USEMODULE:%= $(BINDIR)%.a)