diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/IfNullTypeComputer.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/IfNullTypeComputer.java
index 149b35d..1384bac 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/IfNullTypeComputer.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/IfNullTypeComputer.java
@@ -23,7 +23,7 @@
 import org.apache.asterix.om.types.ATypeTag;
 import org.apache.asterix.om.types.AUnionType;
 
-public class IfNullTypeComputer extends IfMissingOrNullTypeComputer {
+public class IfNullTypeComputer extends AbstractIfMissingOrNullTypeComputer {
 
     public static final IResultTypeComputer INSTANCE = new IfNullTypeComputer();