diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0b160b1..65331f53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added a link to manage the benchmarks to the benchmark comparator
 - Added support for localized routes
 
+### Fixed
+
+- Fixed an issue in the data source transformation
+
 ## 1.272.0 - 2023-05-26
 
 ### Added
diff --git a/libs/common/src/lib/helper.ts b/libs/common/src/lib/helper.ts
index d6da4ed9..bc02acbe 100644
--- a/libs/common/src/lib/helper.ts
+++ b/libs/common/src/lib/helper.ts
@@ -15,7 +15,11 @@ export function capitalize(aString: string) {
 }
 
 export function decodeDataSource(encodedDataSource: string) {
-  return Buffer.from(encodedDataSource, 'hex').toString();
+  if (encodedDataSource) {
+    return Buffer.from(encodedDataSource, 'hex').toString();
+  }
+
+  return undefined;
 }
 
 export function downloadAsFile({