diff --git a/build.properties b/build.properties
index a722f6ad..575d8274 100644
--- a/build.properties
+++ b/build.properties
@@ -8,7 +8,7 @@ archivesBaseName=appliedenergistics2
 # Versions                                              #
 #########################################################
 minecraft_version=1.7.10
-forge_version=10.13.1.1217
+forge_version=10.13.0.1208
 
 #########################################################
 # APIs used for development                             #
diff --git a/src/main/java/appeng/transformer/asm/ASMTweaker.java b/src/main/java/appeng/transformer/asm/ASMTweaker.java
index da9d5975..58d83349 100644
--- a/src/main/java/appeng/transformer/asm/ASMTweaker.java
+++ b/src/main/java/appeng/transformer/asm/ASMTweaker.java
@@ -79,7 +79,9 @@ public class ASMTweaker implements IClassTransformer
 							MethodNode newNode = new MethodNode( Opcodes.ACC_PUBLIC, "func_146977_a_original", mn.desc, mn.signature, new String[0] );
 							newNode.instructions.add( new VarInsnNode( Opcodes.ALOAD, 0 ) );
 							newNode.instructions.add( new VarInsnNode( Opcodes.ALOAD, 1 ) );
-							newNode.instructions.add( new MethodInsnNode( Opcodes.INVOKESPECIAL, classNode.name, mn.name, mn.desc, false ) );
+							//newNode.instructions.add( new MethodInsnNode( Opcodes.INVOKESPECIAL, classNode.name, mn.name, mn.desc, false ) );
+							// TODO: Update for newer forge
+							newNode.instructions.add( new MethodInsnNode( Opcodes.INVOKESPECIAL, classNode.name, mn.name, mn.desc ) );
 							newNode.instructions.add( new InsnNode( Opcodes.RETURN ) );
 							log( newNode.name + newNode.desc + " - New Method" );
 							classNode.methods.add( newNode );
@@ -101,7 +103,9 @@ public class ASMTweaker implements IClassTransformer
 									if ( n.name.equals( "func_146977_a" ) || (n.name.equals( "a" ) && n.desc.equals( "(Lzk;)V" )) )
 									{
 										log( n.name + n.desc + " - Invoke Virtual" );
-										mn.instructions.insertBefore( n, new MethodInsnNode( Opcodes.INVOKEVIRTUAL, n.owner, n.name, n.desc, false ) );
+										//mn.instructions.insertBefore( n, new MethodInsnNode( Opcodes.INVOKEVIRTUAL, n.owner, n.name, n.desc, false ) );
+										// TODO: Update for newer forge
+										mn.instructions.insertBefore( n, new MethodInsnNode( Opcodes.INVOKEVIRTUAL, n.owner, n.name, n.desc ) );
 										mn.instructions.remove( in );
 										break;
 									}