diff --git a/TileEngine/LightEffects.h b/TileEngine/LightEffects.h
index 2be95ded0..78aaa9795 100644
--- a/TileEngine/LightEffects.h
+++ b/TileEngine/LightEffects.h
@@ -19,6 +19,7 @@ typedef struct
 	UINT8		bRadius;	          // the current radius
 	UINT8		bAge;				        // the number of turns light has been around
 	BOOLEAN	fAllocated;
+	INT8		bType;
 	INT32		iLight;
 	UINT32	uiTimeOfLastUpdate;