diff --git a/src/Makefile b/src/Makefile
index f4c85800e51795eb579e29a7b2e98ae017e720d1..916f27fc136ee885d75012d1aa91a729966a09e6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -196,6 +196,7 @@ install.man: doc
 clean:
 # files vars are specified in install
 	-$(RM) *.o $(LIBFILES) $(SHLIBFILES)
+	-$(RM) -rf man html
 
 
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