diff --git a/hibernate-core/src/main/java/org/hibernate/dialect/HANADialect.java b/hibernate-core/src/main/java/org/hibernate/dialect/HANADialect.java
index d40fdadbf1..4713aba976 100644
--- a/hibernate-core/src/main/java/org/hibernate/dialect/HANADialect.java
+++ b/hibernate-core/src/main/java/org/hibernate/dialect/HANADialect.java
@@ -518,9 +518,9 @@ public class HANADialect extends Dialect {
 //		functionFactory.xmlextract();
 		functionFactory.generateSeries_hana( getMaximumSeriesSize() );
 
-		functionFactory.hex( "to_hex(?1)" );
-		functionFactory.sha( "hash_sha256(?1)" );
-		functionFactory.md5( "hash_md5(?1)" );
+		functionFactory.hex( "bintohex(?1)" );
+		functionFactory.sha( "hash_sha256(to_binary(?1))" );
+		functionFactory.md5( "hash_md5(to_binary(?1))" );
 	}
 
 	/**