diff --git a/light/entities.cc b/light/entities.cc
index 70afcc46..2d43d4fe 100644
--- a/light/entities.cc
+++ b/light/entities.cc
@@ -243,6 +243,9 @@ Dirt_ResolveFlag(int dirtInt)
 static void
 AddSun(vec3_t sunvec, vec_t light, const vec3_t color, int dirtInt)
 {
+    if (light == 0.0f)
+        return;
+    
     sun_t sun {};
     VectorCopy(sunvec, sun.sunvec);
     VectorNormalize(sun.sunvec);