fix (#1951)

2 files changed, 13 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/util/GT_OverclockCalculator.java b/src/main/java/gregtech/api/util/GT_OverclockCalculator.java
index f07a60f822..ab32772c78 100644
--- a/src/main/java/gregtech/api/util/GT_OverclockCalculator.java
+++ b/src/main/java/gregtech/api/util/GT_OverclockCalculator.java
@@ -233,6 +233,9 @@ public class GT_OverclockCalculator {
                 .ceil(mRecipeEUt * mParallel * mRecipeAmps * mEUtDiscount * heatDiscountMultiplier))
                 << mEUtIncreasePerOC;
             while (tTierDifference > 0 && tNextConsumption < mEUt * mAmps) {
+                if (mDuration <= 1) {
+                    break;
+                }
                 mRecipeEUt <<= mEUtIncreasePerOC;
                 mDuration >>= mDurationDecreasePerOC;
                 tNextConsumption <<= mEUtIncreasePerOC;
diff --git a/src/test/java/gregtech/overclock/GT_OverclockCalculator_UnitTest.java b/src/test/java/gregtech/overclock/GT_OverclockCalculator_UnitTest.java
index 38d05d32f2..5f2c4632ce 100644
--- a/src/test/java/gregtech/overclock/GT_OverclockCalculator_UnitTest.java
+++ b/src/test/java/gregtech/overclock/GT_OverclockCalculator_UnitTest.java
@@ -333,4 +333,14 @@ class GT_OverclockCalculator_UnitTest {
         assertEquals(1024 >> 3, calculator.getDuration(), messageDuration);
         assertEquals(correctConsumption, calculator.getConsumption(), messageEUt);
     }
+
+    @Test
+    void ulvRecipeStopsWhenOneTicked_Test() {
+        GT_OverclockCalculator calculator = new GT_OverclockCalculator().setRecipeEUt(VP[0])
+            .setEUt(V[6])
+            .setDuration(1)
+            .calculate();
+        assertEquals(1, calculator.getDuration(), messageDuration);
+        assertEquals(VP[0], calculator.getConsumption(), messageEUt);
+    }
 }