diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
index 00743146139d..139b5eed73ca 100644
--- a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
@@ -40,6 +40,8 @@
 import org.hibernate.exception.LockAcquisitionException;
 import org.hibernate.exception.spi.SQLExceptionConversionDelegate;
 import org.hibernate.mapping.CheckConstraint;
+import org.hibernate.metamodel.mapping.SqlExpressible;
+import org.hibernate.metamodel.mapping.SqlTypedMapping;
 import org.hibernate.query.sqm.CastType;
 import org.hibernate.query.sqm.IntervalType;
 import org.hibernate.query.sqm.function.SqmFunctionRegistry;
@@ -1097,6 +1099,17 @@ public String getSelectClauseNullString(int sqlType, TypeConfiguration typeConfi
 		return "cast(null as " + castType + ")";
 	}
 
+	//	Add override for the newer signature to access columnDefinition
+	@Override
+	public String getSelectClauseNullString(SqlTypedMapping sqlType, TypeConfiguration typeConfiguration) {
+		final DdlTypeRegistry ddlTypeRegistry = typeConfiguration.getDdlTypeRegistry();
+		final String castTypeName = ddlTypeRegistry
+				.getDescriptor( sqlType.getJdbcMapping().getJdbcType().getDdlTypeCode() )
+				.getCastTypeName( sqlType.toSize(), (SqlExpressible) sqlType.getJdbcMapping(), ddlTypeRegistry );
+		return "cast(null as " + castTypeName + ")";
+	}
+
+
 	private static String castType(DdlType descriptor) {
 		final String typeName = descriptor.getTypeName( Size.length( Size.DEFAULT_LENGTH ) );
 		//trim off the length/precision/scale