diff --git a/druntime/posix.mak b/druntime/posix.mak

index 2766e07..7ebb0f0 100644

--- a/druntime/posix.mak

+++ b/druntime/posix.mak

@@ -323,7 +323,7 @@ benchmark-compile-only: $(ROOT)/benchmark $(DMD)

 	DMD=$(DMD) $< --repeat=0 --dflags="$(PHOBOS_DFLAGS) -de"

 #################### test for undesired white spaces ##########################

-MANIFEST = $(shell git ls-tree --name-only -r HEAD)

+MANIFEST = $(shell find * -type f)

 CWS_MAKEFILES = $(filter mak/% %.mak %/Makefile,$(MANIFEST))

 NOT_MAKEFILES = $(filter-out $(CWS_MAKEFILES) src/rt/minit.obj test/%.exp,$(MANIFEST))