diff --git a/include/light/entities.h b/include/light/entities.h
index db97b0a2..8558a4e9 100644
--- a/include/light/entities.h
+++ b/include/light/entities.h
@@ -134,6 +134,8 @@ void LoadEntities(const bsp2_t *bsp);
 void SetupLights(const bsp2_t *bsp);
 void WriteEntitiesToString(bsp2_t *bsp);
 
+vec_t GetLightValue(const lightsample_t *light, const entity_t *entity, vec_t dist);
+    
 #ifdef __cplusplus
 }
 #endif
diff --git a/light/ltface.c b/light/ltface.c
index 77fee4f1..2f7670d0 100644
--- a/light/ltface.c
+++ b/light/ltface.c
@@ -953,7 +953,7 @@ Lightmap_Soften(lightmap_t *lightmap, const lightsurf_t *lightsurf)
  * ============================================================================
  */
 
-static vec_t
+vec_t
 GetLightValue(const lightsample_t *light, const entity_t *entity, vec_t dist)
 {
     vec_t value;