diff --git a/main.c b/main.c
index 8c7c99c..6fe48ac 100644
--- a/main.c
+++ b/main.c
@@ -42,16 +42,16 @@ void getutmp( int pid, char user[], char host_ip[], char host_ipv6[], time_t * t
 			if((utmp->ut_addr_v6[1] && utmp->ut_addr_v6[2] && utmp->ut_addr_v6[3]) == 0)
 			{
 				ipv4 =  utmp->ut_addr_v6[0] & 0x00000000000000ff;
-				sprintf( str, "%x.", ipv4);
+				sprintf( str, "%d.", ipv4);
 				strcat(host_ip, str);
 				ipv4 =  (utmp->ut_addr_v6[0] & 0x000000000000ff00) >> 8;
-				sprintf( str, "%x.", ipv4);
+				sprintf( str, "%d.", ipv4);
 				strcat(host_ip, str);
 				ipv4 =  (utmp->ut_addr_v6[0] & 0x0000000000ff0000) >> 16;
-				sprintf( str, "%x.", ipv4);
+				sprintf( str, "%d.", ipv4);
 				strcat(host_ip, str);
 				ipv4 =  (utmp->ut_addr_v6[0] & 0x00000000ff000000) >> 24;
-				sprintf( str, "%x", ipv4);
+				sprintf( str, "%d", ipv4);
 				strcat(host_ip, str);
 
 			}else
@@ -226,8 +226,8 @@ int main()
 	char cmd[24];
 	char cmdline[1000];
 	char user[24]="";
-	char host_ip[42];
-	char host_ipv6[42];
+	char host_ip[42]="";
+	char host_ipv6[42]="";
 	char str[1024];
 	char date[60];
 	time_t now ;