diff --git a/commands/xyzModem.c b/commands/xyzModem.c
index 1dd255d8e..71d7d6864 100644
--- a/commands/xyzModem.c
+++ b/commands/xyzModem.c
@@ -492,7 +492,7 @@ int xyzModem_stream_open(connection_info_t *info, int *err)
 			       xyzModem_CHAR_TIMEOUT);
 #else
 /* TODO: CHECK ! */
-	int dummy;
+	int dummy = 0;
 	xyz.__chan = &dummy;
 #endif
 	xyz.len = 0;