diff --git a/db-service/lib/cqn2sql.js b/db-service/lib/cqn2sql.js
index 3b081eb8d..ddb3ce880 100644
--- a/db-service/lib/cqn2sql.js
+++ b/db-service/lib/cqn2sql.js
@@ -4,12 +4,6 @@ const cqn4sql = require('./cqn4sql')
 const _simple_queries = cds.env.features.sql_simple_queries
 const _strict_booleans = _simple_queries < 2
 
-const BINARY_TYPES = {
-  'cds.Binary': 1,
-  'cds.LargeBinary': 1,
-  'cds.hana.BINARY': 1,
-}
-
 const { Readable } = require('stream')
 
 const DEBUG = (() => {
@@ -42,6 +36,12 @@ class CQN2SQLRenderer {
     }
   }
 
+  BINARY_TYPES = {
+    'cds.Binary': 1,
+    'cds.LargeBinary': 1,
+    'cds.hana.BINARY': 1,
+  }
+
   static _add_mixins(aspect, mixins) {
     const fqn = this.name + aspect
     const types = cds.builtin.types
@@ -565,7 +565,7 @@ class CQN2SQLRenderer {
 
           buffer += '"'
         } else {
-          if (elements[key]?.type in BINARY_TYPES) {
+          if (elements[key]?.type in this.BINARY_TYPES) {
             val = transformBase64(val)
           }
           buffer += `${keyJSON}${JSON.stringify(val)}`
@@ -613,7 +613,7 @@ class CQN2SQLRenderer {
 
           buffer += '"'
         } else {
-          if (elements[this.columns[key]]?.type in BINARY_TYPES) {
+          if (elements[this.columns[key]]?.type in this.BINARY_TYPES) {
             val = transformBase64(val)
           }
           buffer += `${sepsub}${val === undefined ? 'null' : JSON.stringify(val)}`
diff --git a/hana/lib/HANAService.js b/hana/lib/HANAService.js
index 7925db4e1..4e9d29885 100644
--- a/hana/lib/HANAService.js
+++ b/hana/lib/HANAService.js
@@ -544,7 +544,7 @@ class HANAService extends SQLService {
                 this.values = values
                 return false
               }
-              if (x.element?.type?.indexOf('Binary') > -1) {
+              if (x.element?.type in this.BINARY_TYPES) {
                 blobs[this.column_name(x)] = null
                 return false
               }