diff --git a/light/entities.cc b/light/entities.cc
index 704108ce..1c575c94 100644
--- a/light/entities.cc
+++ b/light/entities.cc
@@ -537,6 +537,10 @@ static std::unique_ptr<light_t> DuplicateEntity(const light_t &src)
  */
 static void JitterEntity(const light_t &entity)
 {
+    // don't jitter suns
+    if (entity.sun.value()) {
+        return;
+    }
 
     std::vector<std::unique_ptr<light_t>> new_lights;