diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index fdf8232d0eeb..263e6577de66 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -264,6 +264,7 @@ clean-files := $(DOCBOOKS) \
 	$(patsubst %.xml, %.aux.xml, $(DOCBOOKS)) \
 	$(patsubst %.xml, %.xml.db,  $(DOCBOOKS)) \
 	$(patsubst %.xml, %.xml,     $(DOCBOOKS)) \
+	$(patsubst %.xml, .%.xml.cmd, $(DOCBOOKS)) \
 	$(index)
 
 clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man