diff --git a/commands/xyzModem.c b/commands/xyzModem.c
index d4e4bfa..7f6955c 100644
--- a/commands/xyzModem.c
+++ b/commands/xyzModem.c
@@ -162,7 +162,7 @@
 	int radix = 10;
 	char c;
 	unsigned long result = 0;
-	int digit;
+	int digit = 0;
 
 	while (*s == ' ')
 		s++;