diff --git a/Makefile b/Makefile
index 341f336..e5f5a8c 100644
--- a/Makefile
+++ b/Makefile
@@ -1173,7 +1173,7 @@
 clean: rm-dirs  := $(CLEAN_DIRS)
 clean: rm-files := $(CLEAN_FILES)
 
-clean-dirs	:= $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f))
+clean-dirs	:= $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
 
 clean-dirs      := $(addprefix _clean_, $(clean-dirs) doc/DocBook)