diff --git a/src/graphics/opengl/gldevice.cpp b/src/graphics/opengl/gldevice.cpp
index cf0e71e..142390e 100644
--- a/src/graphics/opengl/gldevice.cpp
+++ b/src/graphics/opengl/gldevice.cpp
@@ -566,20 +566,21 @@ void CGLDevice::UpdateLightPositions()

     for (int index = 0; index < lightCount; index++)
     {
-        if (m_lights[index].type == LIGHT_SPOT)
+        const Light& light = m_lights[index];
+        if (light.type == LIGHT_SPOT)
         {
-            GLfloat direction[4] = { -m_lights[index].direction.x,
-                -m_lights[index].direction.y,
-                -m_lights[index].direction.z,
+            GLfloat direction[4] = { -light.direction.x,
+                -light.direction.y,
+                -light.direction.z,
                 1.0f };

             glLightfv(GL_LIGHT0 + index, GL_SPOT_DIRECTION, direction);
         }
-        else if (m_lights[index].type == LIGHT_DIRECTIONAL)
+        else if (light.type == LIGHT_DIRECTIONAL)
         {
-            GLfloat position[4] = { -m_lights[index].direction.x,
-                -m_lights[index].direction.y,
-                -m_lights[index].direction.z,
+            GLfloat position[4] = { -light.direction.x,
+                -light.direction.y,
+                -light.direction.z,
                 0.0f };
             glLightfv(GL_LIGHT0 + index, GL_POSITION, position);
         }
@@ -592,11 +593,12 @@ void CGLDevice::UpdateLightPositions()

     for (int index = 0; index < lightCount; index++)
     {
-        if (m_lights[index].type == LIGHT_POINT)
+        const Light& light = m_lights[index];
+        if (light.type == LIGHT_POINT)
         {
-            GLfloat position[4] = { m_lights[index].position.x,
-                m_lights[index].position.y,
-                m_lights[index].position.z,
+            GLfloat position[4] = { light.position.x,
+                light.position.y,
+                light.position.z,
                 1.0f };

             glLightfv(GL_LIGHT0 + index, GL_POSITION, position);