diff --git a/src/main/java/com/wynprice/secretroomsmod/core/SecretRoomsTransformer.java b/src/main/java/com/wynprice/secretroomsmod/core/SecretRoomsTransformer.java
index 35c3d74..a1f7c2f 100644
--- a/src/main/java/com/wynprice/secretroomsmod/core/SecretRoomsTransformer.java
+++ b/src/main/java/com/wynprice/secretroomsmod/core/SecretRoomsTransformer.java
@@ -47,7 +47,7 @@ public class SecretRoomsTransformer implements IClassTransformer {
 					AbstractInsnNode ins = methodNode.instructions.get(i);
 					if(ins instanceof MethodInsnNode) {
 						MethodInsnNode mIns = ((MethodInsnNode)ins);
-						if(mIns.getOpcode() == Opcodes.INVOKEVIRTUAL && (mIns.owner.equals("ChunkCacheOF")/*Needed so Optifine works with SRM*/ || mIns.owner.equals("net/minecraft/world/ChunkCache")) && mIns.name.equals(getName("getBlockState", "func_180495_p")) && mIns.desc.equals("(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/state/IBlockState;")) {
+						if(mIns.getOpcode() == Opcodes.INVOKEVIRTUAL && (mIns.owner.equals("ChunkCacheOF") || mIns.owner.equals("net/optifine/override/ChunkCacheOF")/*Needed so Optifine works with SRM*/ || mIns.owner.equals("net/minecraft/world/ChunkCache")) && mIns.name.equals(getName("getBlockState", "func_180495_p")) && mIns.desc.equals("(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/state/IBlockState;")) {
 							methodNode.instructions.set(ins, new MethodInsnNode(Opcodes.INVOKESTATIC, "com/wynprice/secretroomsmod/core/SecretRoomsHooksClient", "getBlockState", "(Lnet/minecraft/world/IBlockAccess;Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/state/IBlockState;", false));
 							return;
 						}