Index: res/res_agi.c
===================================================================
--- res/res_agi.c	(revision 231134)
+++ res/res_agi.c	(working copy)
@@ -421,6 +421,7 @@
 	async_agi.ctrl = fds[1];
 	async_agi.audio = -1; /* no audio support */
 	async_agi.fast = 0;
+	async_agi.speech = NULL;
 
 	/* notify possible manager users of a new channel ready to 
 	   receive commands */