diff --git a/intern/cycles/render/light.cpp b/intern/cycles/render/light.cpp
index 9a0a7ead696..94ab82a600e 100644
--- a/intern/cycles/render/light.cpp
+++ b/intern/cycles/render/light.cpp
@@ -206,8 +206,10 @@ void LightManager::device_update_distribution(Device *device, DeviceScene *dscen
 		}
 
 		/* skip motion blurred deforming meshes, not supported yet */
-		if(mesh->has_motion_blur())
+		if(mesh->has_motion_blur()) {
+			j++;
 			continue;
+		}
 
 		/* skip if we have no emission shaders */
 		foreach(uint sindex, mesh->used_shaders) {