diff --git a/build.properties b/build.properties
index e0e5e3db..4f515d1f 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=5.09.27.38
+gt.version=5.09.27.39
 
 ae2.version=rv2-beta-33
 applecore.version=1.7.10-1.2.1+107.59407
diff --git a/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java b/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java
index 75e390b0..092968a9 100644
--- a/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java
+++ b/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java
@@ -478,7 +478,7 @@ public class GT_MachineRecipeLoader implements Runnable {
                 GT_Values.RA.addAssemblerRecipe(ItemList.IC2_Item_Casing_Steel.get(1L), GT_OreDictUnificator.get(OrePrefixes.wireGt01, Materials.RedAlloy, 2L), tMat.getMolten(144L * tMultiplier / 8L), ItemList.Circuit_Primitive.get(1L), 16, 8);
                 GT_Values.RA.addAssemblerRecipe(GT_OreDictUnificator.get(OrePrefixes.plate, Materials.Plastic, 1L), GT_OreDictUnificator.get(OrePrefixes.wireGt01, Materials.RedAlloy, 1L), tMat.getMolten(144L * tMultiplier / 8L), ItemList.Circuit_Primitive.get(1L), 16, 8);
                 GT_Values.RA.addAssemblerRecipe(ItemList.Circuit_Board_Basic.get(1L), ItemList.Circuit_Primitive.get(2L), tMat.getMolten(144L * tMultiplier / 4L), ItemList.Circuit_Basic.get(1L), 32, 16);
-                GT_Values.RA.addAssemblerRecipe(ItemList.Circuit_Basic.get(1L), ItemList.Circuit_Primitive.get(2L), tMat.getMolten(144L * tMultiplier / 4L), ItemList.Circuit_Good.get(1L), 32, 16);
+                GT_Values.RA.addAssemblerRecipe(ItemList.Circuit_Board_Basic.get(1L), ItemList.Circuit_Basic.get(2L), tMat.getMolten(144L * tMultiplier / 4L), ItemList.Circuit_Good.get(1L), 32, 16);
                 GT_Values.RA.addAssemblerRecipe(ItemList.Circuit_Board_Advanced.get(1L), ItemList.Circuit_Parts_Advanced.get(2L), tMat.getMolten(144L * tMultiplier / 2L), ItemList.Circuit_Advanced.get(1L), 32, 64);
                 GT_Values.RA.addAssemblerRecipe(ItemList.Circuit_Board_Advanced.get(1L), ItemList.Circuit_Parts_Crystal_Chip_Elite.get(1L), tMat.getMolten(144L * tMultiplier / 2L), ItemList.Circuit_Data.get(1L), 32, 64);
                 GT_Values.RA.addAssemblerRecipe(ItemList.Circuit_Board_Elite.get(1L), ItemList.Circuit_Data.get(3L), tMat.getMolten(144L * tMultiplier / 1L), ItemList.Circuit_Elite.get(1L), 32, 256);