diff --git a/channels/Makefile b/channels/Makefile
index b0c2bf72b0..06f15495ac 100644
--- a/channels/Makefile
+++ b/channels/Makefile
@@ -66,6 +66,8 @@ clean::
 ifneq ($(wildcard h323/Makefile.ast),)
   include h323/Makefile.ast
 H323LDFLAGS += -Wl,--version-script=h323/noexport.map
+clean::
+	$(MAKE) -C h323 clean
 else
 h323/libchanh323.a h323/Makefile.ast:
 	$(CMD_PREFIX) $(MAKE) -C h323