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-rw-r--r--mk/prepare.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/mk/prepare.mk b/mk/prepare.mk
index 69da4966919..304806f12ad 100644
--- a/mk/prepare.mk
+++ b/mk/prepare.mk
@@ -201,4 +201,4 @@ prepare-maybe-clean:
 	$(if $(findstring true,$(PREPARE_CLEAN)),\
       @$(call E, cleaning destination $@),)
 	$(if $(findstring true,$(PREPARE_CLEAN)),\
-      $(Q)rm -r $(PREPARE_DEST_DIR),)
+      $(Q)rm -rf $(PREPARE_DEST_DIR),)