diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index de853c6aab28..6b482ac52e61 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -40,8 +40,8 @@ CFLAGS_vgettimeofday.o = -include $(c-gettimeofday-y)
 # config-n32-o32-env.c prepares the environment to build a 32bit vDSO
 # library on a 64bit kernel.
 # Note: Needs to be included before than the generic library.
-CFLAGS_vgettimeofday-o32.o = -include $(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
-CFLAGS_vgettimeofday-n32.o = -include $(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
+CFLAGS_vgettimeofday-o32.o = -include $(srctree)/$(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
+CFLAGS_vgettimeofday-n32.o = -include $(srctree)/$(src)/config-n32-o32-env.c -include $(c-gettimeofday-y)
 endif
 
 CFLAGS_REMOVE_vgettimeofday.o = -pg