diff --git a/fe/fe-core/src/test/java/org/apache/doris/nereids/util/HyperGraphBuilder.java b/fe/fe-core/src/test/java/org/apache/doris/nereids/util/HyperGraphBuilder.java
index 5a1d88fe51..ca594bdc99 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/nereids/util/HyperGraphBuilder.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/nereids/util/HyperGraphBuilder.java
@@ -640,7 +640,7 @@ public class HyperGraphBuilder {
                 lv = right.get(slots.get(0)).get(rightIndex);
                 rv = left.get(slots.get(1)).get(leftIndex);
             }
-            Boolean res = (lv == rv);
+            Boolean res = (lv == rv) && (lv != null) && (rv != null);
             if (joinType.isNullAwareLeftAntiJoin()) {
                 res |= (lv == null);
             }