diff --git a/src/communication.c b/src/communication.c
index 9e94fc5..aac0dc7 100644
--- a/src/communication.c
+++ b/src/communication.c
@@ -482,13 +482,16 @@ struct ipc_error ipc_events_loop (struct ipc_ctx *ctx, struct ipc_event *event,
 
 	gettimeofday(&tv_2, NULL);
 
-	int new_timer = *timer - ((tv_2.tv_sec - tv_1.tv_sec) * 1000000 + (tv_2.tv_usec - tv_1.tv_usec)) / 1000;
+	int nb_sec_ms       = (tv_2.tv_sec  - tv_1.tv_sec) * 1000;
+	int nb_usec_ms      = (tv_2.tv_usec - tv_1.tv_usec) / 1000;
+	int time_elapsed_ms = (nb_sec_ms + nb_usec_ms);
+
 	// Handle memory fuckery, 'cause low level programming is fun.
-	if (new_timer >= *timer || new_timer < 0) {
+	if (time_elapsed_ms >= *timer) {
 		*timer = 0;
 	}
 	else {
-		*timer = new_timer;
+		*timer -= time_elapsed_ms;
 	}
 
 	// Timeout.