diff --git a/channels/Makefile b/channels/Makefile
index c2c8ddadf4..d5e46b225a 100644
--- a/channels/Makefile
+++ b/channels/Makefile
@@ -67,7 +67,7 @@ ifneq ($(wildcard h323/Makefile.ast),)
   include h323/Makefile.ast
 H323LDFLAGS+=-Wl,--version-script=h323/noexport.map
 clean::
-	$(MAKE) -C h323 clean
+	if [ -f h323/Makefile ]; then $(MAKE) -C h323 clean; fi
 else
 h323/libchanh323.a h323/Makefile.ast:
 	$(CMD_PREFIX) $(MAKE) -C h323