diff --git a/QnetModem.cpp b/QnetModem.cpp
index ef55ed0..4e8c02b 100644
--- a/QnetModem.cpp
+++ b/QnetModem.cpp
@@ -119,7 +119,7 @@ bool CQnetModem::GetVersion()
 					hardwareType = HWT_UNKNOWN;
 				}
 
-				printf("MMDVM protocol version: %u, Modem: %s", frame.protocol, frame.version);
+				printf("MMDVM protocol version: %u, Modem: %s", (unsigned int)frame.protocol, frame.version);
 				return false;
 			}
 		}
diff --git a/QnetModem.h b/QnetModem.h
index 0e77ab4..0ba29fc 100644
--- a/QnetModem.h
+++ b/QnetModem.h
@@ -62,7 +62,7 @@ typedef struct version_tag {
 	unsigned char length;
 	unsigned char type;
 	unsigned char protocol;
-	unsigned char version[252];
+	unsigned char version[251];
 } SVERSION;
 
 typedef struct mmodem_tag {