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-rw-r--r--vespajlib/src/main/java/com/yahoo/tensor/MixedTensor.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/tensor/MixedTensor.java b/vespajlib/src/main/java/com/yahoo/tensor/MixedTensor.java
index 606509bbfd8..7631a2e4eab 100644
--- a/vespajlib/src/main/java/com/yahoo/tensor/MixedTensor.java
+++ b/vespajlib/src/main/java/com/yahoo/tensor/MixedTensor.java
@@ -53,7 +53,7 @@ public class MixedTensor implements Tensor {
@Override
public double get(TensorAddress address) {
long cellIndex = index.indexOf(address);
- if (cellIndex < 0)
+ if (cellIndex < 0 || cellIndex >= cells.size())
return Double.NaN;
Cell cell = cells.get((int)cellIndex);
if ( ! address.equals(cell.getKey()))