diff --git a/build.properties b/build.properties
index ba078cec..f4dcfcfa 100644
--- a/build.properties
+++ b/build.properties
@@ -1,7 +1,7 @@
 minecraft.version=1.7.10
 forge.version=10.13.4.1566-1.7.10
 
-gt.version=5.09.29
+gt.version=5.09.30pre1
 
 ae2.version=rv2-beta-33
 applecore.version=1.7.10-1.2.1+107.59407
diff --git a/src/main/java/gregtech/common/items/armor/ModularArmor_Item.java b/src/main/java/gregtech/common/items/armor/ModularArmor_Item.java
index d2e51e67..ef961b94 100644
--- a/src/main/java/gregtech/common/items/armor/ModularArmor_Item.java
+++ b/src/main/java/gregtech/common/items/armor/ModularArmor_Item.java
@@ -89,6 +89,7 @@ public class ModularArmor_Item extends ItemArmor implements ISpecialArmor, IGogg
 			data = fillArmorData((EntityPlayer) player, armor);
 		}
 		if (player != null && armor != null && source != null) {
+			try{
 			double tmp = 0.0d;
 			if (source.isMagicDamage()) {
 				tmp = data.mStat.get(StatType.MAGICDEFENCE);
@@ -127,6 +128,9 @@ public class ModularArmor_Item extends ItemArmor implements ISpecialArmor, IGogg
 				tmp = 1.0f - ((1.0f - tmp) / 2.0f);
 			}
 			return new ISpecialArmor.ArmorProperties(0, data.getBaseAbsorptionRatio() * tmp, 1000);
+			}catch(Exception e){System.err.println(e);
+			return new ISpecialArmor.ArmorProperties(0, 0, 0);
+			}
 
 		} else {
 			return new ISpecialArmor.ArmorProperties(0, 0, 0);