diff --git a/common/xyzModem.c b/common/xyzModem.c
index a209dfa..7a46805 100644
--- a/common/xyzModem.c
+++ b/common/xyzModem.c
@@ -544,7 +544,7 @@
 			  xyzModem_CHAR_TIMEOUT);
 #else
 /* TODO: CHECK ! */
-  int dummy;
+  int dummy = 0;
   xyz.__chan = &dummy;
 #endif
   xyz.len = 0;