1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/gregtech/common/items/behaviors/Behaviour_Prospecting.java b/src/main/java/gregtech/common/items/behaviors/Behaviour_Prospecting.java
index c7642184d0..339a69433b 100644
--- a/src/main/java/gregtech/common/items/behaviors/Behaviour_Prospecting.java
+++ b/src/main/java/gregtech/common/items/behaviors/Behaviour_Prospecting.java
@@ -9,7 +9,7 @@ import gregtech.api.util.GT_LanguageManager;
 import gregtech.api.util.GT_ModHandler;
 import gregtech.api.util.GT_OreDictUnificator;
 import gregtech.api.util.GT_Utility;
-import gregtech.common.blocks.GT_Block_Ores;
+import gregtech.common.blocks.GT_Block_Ores_Abstract;
 import gregtech.common.blocks.GT_TileEntity_Ores;
 import net.minecraft.block.Block;
 import net.minecraft.entity.player.EntityPlayer;
@@ -94,7 +94,7 @@ public class Behaviour_Prospecting
                     tY = aY - 4 - tQuality + tRandom.nextInt(j);
                     tZ = aZ - 4 - tQuality + tRandom.nextInt(j);
                     Block tBlock = aWorld.getBlock(tX, tY, tZ);
-                    if ((tBlock instanceof GT_Block_Ores)) {
+                    if ((tBlock instanceof GT_Block_Ores_Abstract)) {
                         TileEntity tTileEntity = aWorld.getTileEntity(tX, tY, tZ);
                         if ((tTileEntity instanceof GT_TileEntity_Ores)) {
                             Materials tMaterial = GregTech_API.sGeneratedMaterials[(((GT_TileEntity_Ores) tTileEntity).mMetaData % 1000)];