--- Revision 5613
+++ Revision 5620
@@ -300,7 +300,7 @@
 				cw_log(CW_LOG_ERROR, "Out of memory!\n");
 
 			if (cmd)
-				cw_dynstr_free(cmd);
+				cw_dynstr_free(&cmd);
 		}
 		
 		free(chan->monitor->format);