diff --git a/src/backend/utils/database-file-encryption.ts b/src/backend/utils/database-file-encryption.ts
index 740017b1..24ea534a 100644
--- a/src/backend/utils/database-file-encryption.ts
+++ b/src/backend/utils/database-file-encryption.ts
@@ -358,7 +358,7 @@ class DatabaseFileEncryption {
 
       const encryptedData = fs.readFileSync(encryptedPath);
 
-      if (metadata.dataSize && encryptedData.length !== metadata.dataSize) {
+      if (metadata.dataSize !== undefined && encryptedData.length !== metadata.dataSize) {
         databaseLogger.error(
           "Encrypted file size mismatch - possible corrupted write or mismatched metadata",
           null,