diff --git a/package/doc-asciidoc.mk b/package/doc-asciidoc.mk
index 40c9a725d1..d6ecd1e30e 100644
--- a/package/doc-asciidoc.mk
+++ b/package/doc-asciidoc.mk
@@ -155,7 +155,7 @@ $(1)-check-dependencies: asciidoc-check-dependencies $$($(2)_DEPENDENCIES)
 $$(BUILD_DIR)/docs/$(1)/.stamp_doc_rsynced:
 	$$(Q)$$(call MESSAGE,"Preparing the $(1) sources...")
 	$$(Q)mkdir -p $$(@D)
-	$$(Q)rsync -a $$($(2)_DOCDIR) $$(@D)
+	$$(Q)rsync -a $$($(2)_DOCDIR)/ $$(@D)/
 	$$(Q)$$(foreach hook,$$($(2)_POST_RSYNC_HOOKS),$$(call $$(hook))$$(sep))
 
 .PHONY: $(1)-prepare-sources