diff --git a/VERSION b/VERSION
index f0c899ed..62aa4286 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B2-rc1-7-gf5da432d38+1
\ No newline at end of file
+B2-rc1-8-g4441427943+1
\ No newline at end of file
diff --git a/client/src/main.c b/client/src/main.c
index c73d271a..c9624752 100644
--- a/client/src/main.c
+++ b/client/src/main.c
@@ -168,7 +168,8 @@ static int renderThread(void * unused)
         struct timespec end, diff;
         clock_gettime(CLOCK_REALTIME, &end);
         tsDiff(&diff, &time, &end);
-        if (diff.tv_sec > 0 || diff.tv_nsec > 1000000000) // 100ms
+        if (diff.tv_sec > 0 || diff.tv_nsec > 1000000000 || // 100ms
+            diff.tv_sec < 0 || diff.tv_nsec < 0)            // underflow
           clock_gettime(CLOCK_REALTIME, &time);
       }
     }