diff --git a/q931.c b/q931.c
index b258671..4f3868c 100755
--- a/q931.c
+++ b/q931.c
@@ -146,7 +146,7 @@ struct msgtype causes[] = {
 #define TRANS_MODE_1536_CIRCUIT	0x15
 #define TRANS_MODE_1920_CIRCUIT	0x17
 #define TRANS_MODE_MULTIRATE	0x18
-#define TRANS_MODE_PACKET		0X40
+#define TRANS_MODE_PACKET		0x40
 
 #define RATE_ADAPT_56K			0x0f
 
@@ -178,7 +178,7 @@ struct msgtype causes[] = {
 #define LOC_PUB_NET_LOCAL_USER		0x2
 #define LOC_TRANSIT_NET				0x3
 #define LOC_PUB_NET_REMOTE_USER		0x4
-#define LOC_PRIV_NET_REMOTE_USER	0X5
+#define LOC_PRIV_NET_REMOTE_USER	0x5
 #define LOC_INTERNATIONAL_NETWORK	0x7
 #define LOC_NETWORK_BEYOND_INTERWORKING	0xa