diff --git a/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/CreatePointDescriptor.java b/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/CreatePointDescriptor.java
index d0a6564..b65c5c0 100644
--- a/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/CreatePointDescriptor.java
+++ b/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/CreatePointDescriptor.java
@@ -83,7 +83,7 @@
                         byte[] bytes0 = inputArg0.getByteArray();
                         int offset0 = inputArg0.getStartOffset();
                         byte[] bytes1 = inputArg1.getByteArray();
-                        int offset1 = inputArg0.getStartOffset();
+                        int offset1 = inputArg1.getStartOffset();
 
                         // type-check: (double, double)
                         if ((bytes0[offset0] != ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG