diff --git a/src/main/java/gregtech/common/GT_UndergroundOil.java b/src/main/java/gregtech/common/GT_UndergroundOil.java
index f090498a..93fafcfa 100644
--- a/src/main/java/gregtech/common/GT_UndergroundOil.java
+++ b/src/main/java/gregtech/common/GT_UndergroundOil.java
@@ -55,9 +55,9 @@ public class GT_UndergroundOil {
         }
 
         //GEN IT TO GET OBJECT...
-        final XSTR tRandom = new XSTR(aWorld.getSeed() + aWorld.provider.dimensionId * 2 +
-                       (chunk.getChunkCoordIntPair().chunkXPos>>3) +
-                8267 * (chunk.getChunkCoordIntPair().chunkZPos>>3));
+        final XSTR tRandom = new XSTR( (aWorld.getSeed() + aWorld.provider.dimensionId * 2 +
+                ((int)Math.floor((double)chunk.getChunkCoordIntPair().chunkXPos/(double)6)) +
+                (7 * ((int)Math.floor((double)chunk.getChunkCoordIntPair().chunkZPos/6)))));
         GT_UO_Fluid uoFluid = GT_Mod.gregtechproxy.mUndergroundOil.GetDimension(aWorld.provider.dimensionId).getRandomFluid(tRandom);
 
         //Fluid stack holder