From a21dfb7b5e76b780905ccac7997209b731146716 Mon Sep 17 00:00:00 2001
From: SirSengir <me@sengir.net>
Date: Fri, 12 Apr 2013 21:50:11 +0200
Subject: [PATCH] Fixed liquid icon check to actually catch that edge case.
 (h/t Player)

---
 common/buildcraft/energy/gui/GuiCombustionEngine.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/buildcraft/energy/gui/GuiCombustionEngine.java b/common/buildcraft/energy/gui/GuiCombustionEngine.java
index ca151885..a3ec9fea 100644
--- a/common/buildcraft/energy/gui/GuiCombustionEngine.java
+++ b/common/buildcraft/energy/gui/GuiCombustionEngine.java
@@ -69,7 +69,7 @@ public class GuiCombustionEngine extends GuiEngine {
 			textureSheet = liquid.canonical().getTextureSheet();
 			liquidIcon = liquid.canonical().getRenderingIcon();
 		} else {
-			if (liquid.itemID < Block.blocksList.length && Block.blocksList[liquid.itemID] != null) {
+			if (liquid.itemID < Block.blocksList.length && Block.blocksList[liquid.itemID].blockID > 0) {
 				liquidIcon = Block.blocksList[liquid.itemID].getBlockTextureFromSide(0);
 				textureSheet = "/terrain.png";
 			} else {