diff --git a/c/pong.c b/c/pong.c
index fb0e569..d5fd80e 100644
--- a/c/pong.c
+++ b/c/pong.c
@@ -17,7 +17,9 @@ int err(void *ctx, char *msg) {
 	return 1;
 }
 
-int main(void) {
+int main(int argc, char **argv, char** env) {
+	argc = argc;
+	argv = argv;
 	int ret = 0;
 	int servicefd = 0;
 	char message[MAX_MSG_SIZE];
@@ -29,6 +31,15 @@ int main(void) {
 	int newfd = 0;
 	void *ctx = NULL;
 
+	char *service = SERVICE;
+	size_t i = 0;
+	while(env[i] != NULL) {
+		if(0 == memcmp(env[i], "SERVICE", strlen("SERVICE"))) {
+			service = env[i] + strlen("SERVICE") + 1;
+		}
+		i++;
+	}
+
 	printf ("Init context.\n");
 	ret = ipc_context_init (&ctx);
 
@@ -37,8 +48,8 @@ int main(void) {
 		return 1;
 	}
 
-	printf ("Connect to a 'pong' service.\n");
-	ret = ipc_connect_service (ctx, &servicefd, SERVICE, SERVICE_LEN);
+	printf ("Connect to a '%s' service.\n", service);
+	ret = ipc_connect_service (ctx, &servicefd, service, strlen(service));
 
 	if (ret != 0) {
 		return err(ctx, "Cannot connect to a service.");