diff --git a/intern/cycles/scene/light.cpp b/intern/cycles/scene/light.cpp
index 16483f0b798..fe72ef704db 100644
--- a/intern/cycles/scene/light.cpp
+++ b/intern/cycles/scene/light.cpp
@@ -1331,7 +1331,7 @@ void LightManager::device_update_lights(Device *device, DeviceScene *dscene, Sce
 
       float3 dir = safe_normalize(light->get_dir());
 
-      if (light->use_mis && area != 0.0f) {
+      if (light->use_mis && area != 0.0f && light->spread > 0.0f) {
         shader_id |= SHADER_USE_MIS;
       }
 
diff --git a/tests/data b/tests/data
index 582cf6fcb4e..6dd81d3f24e 160000
--- a/tests/data
+++ b/tests/data
@@ -1 +1 @@
-Subproject commit 582cf6fcb4e7456a6d29eb016280943646e6bc68
+Subproject commit 6dd81d3f24ec18cec2ab70d1c4159be3900ccd55