diff --git a/packages/core/upload/admin/src/components/AssetCard/UploadingAssetCard.js b/packages/core/upload/admin/src/components/AssetCard/UploadingAssetCard.js
index 058c1b803a..7e602e65cb 100644
--- a/packages/core/upload/admin/src/components/AssetCard/UploadingAssetCard.js
+++ b/packages/core/upload/admin/src/components/AssetCard/UploadingAssetCard.js
@@ -130,7 +130,7 @@ UploadingAssetCard.propTypes = {
     rawFile: PropTypes.instanceOf(File),
     type: PropTypes.oneOf(Object.values(AssetType)),
   }).isRequired,
-  folderId: PropTypes.number,
+  folderId: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
   onCancel: PropTypes.func.isRequired,
   onStatusChange: PropTypes.func.isRequired,
 };
diff --git a/packages/core/upload/admin/src/components/UploadAssetDialog/PendingAssetStep/PendingAssetStep.js b/packages/core/upload/admin/src/components/UploadAssetDialog/PendingAssetStep/PendingAssetStep.js
index 24ea8cc136..bf7ece6439 100644
--- a/packages/core/upload/admin/src/components/UploadAssetDialog/PendingAssetStep/PendingAssetStep.js
+++ b/packages/core/upload/admin/src/components/UploadAssetDialog/PendingAssetStep/PendingAssetStep.js
@@ -171,7 +171,7 @@ PendingAssetStep.defaultProps = {
 PendingAssetStep.propTypes = {
   addUploadedFiles: PropTypes.func,
   assets: PropTypes.arrayOf(AssetDefinition).isRequired,
-  folderId: PropTypes.number,
+  folderId: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
   onClose: PropTypes.func.isRequired,
   onEditAsset: PropTypes.func.isRequired,
   onRemoveAsset: PropTypes.func.isRequired,