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-rw-r--r--src/main/java/gregtech/api/gui/GT_Container_BasicTank.java4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java b/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java
index 12878b6a04..5a0f13051a 100644
--- a/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java
+++ b/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java
@@ -223,10 +223,10 @@ public class GT_Container_BasicTank extends GT_ContainerMetaTile_Machine {
super.updateProgressBar(par1, par2);
switch (par1) {
case 100:
- mContent = mContent & -65536 | par2;
+ mContent = mContent & 0xffff0000 | par2 & 0x0000ffff;
break;
case 101:
- mContent = mContent & 65535 | par2 << 16;
+ mContent = mContent & 0xffff | par2 << 16;
break;
}
}