diff --git a/Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/extension/datatype/finder/DecompilerVariable.java b/Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/extension/datatype/finder/DecompilerVariable.java
index 772c4b4d07..74b8d2eef6 100644
--- a/Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/extension/datatype/finder/DecompilerVariable.java
+++ b/Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/extension/datatype/finder/DecompilerVariable.java
@@ -106,7 +106,7 @@ public abstract class DecompilerVariable {
 		}
 
 		Varnode[] inputs = op.getInputs();
-		if (inputs.length == 2) {
+		if (inputs.length == 2 && inputs[0].getHigh() != null) {
 			return inputs[0].getHigh().getDataType();
 		}