1 files changed, 4 insertions, 1 deletions
diff --git a/source/blender/blenlib/intern/uuid.cc b/source/blender/blenlib/intern/uuid.cc
index 0c381e5dcd2..247928893f3 100644
--- a/source/blender/blenlib/intern/uuid.cc
+++ b/source/blender/blenlib/intern/uuid.cc
@@ -40,7 +40,10 @@ UUID BLI_uuid_generate_random()
 
     struct timespec ts;
     timespec_get(&ts, TIME_UTC);
-    rng.seed(ts.tv_nsec);
+    /* XOR the nanosecond and second fields, just in case the clock only has seconds resolution. */
+    uint64_t seed = ts.tv_nsec;
+    seed ^= ts.tv_sec;
+    rng.seed(seed);
 
     return rng;
   }();