diff --git a/Dockerfile b/Dockerfile
index 41e55c6..9a64927 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,7 @@ COPY . .
 RUN deno cache main.ts --allow-import main.ts
 RUN deno task build
 
+
 EXPOSE 80
 EXPOSE 443
 
diff --git a/routes/(apps)/mobility/api/insert-mobility.ts b/routes/(apps)/mobility/api/insert-mobility.ts
index 55c0a58..5e86931 100644
--- a/routes/(apps)/mobility/api/insert-mobility.ts
+++ b/routes/(apps)/mobility/api/insert-mobility.ts
@@ -80,7 +80,7 @@ export const handler: Handlers = {
           destinationCountry = excluded.destinationCountry,
           destinationName = excluded.destinationName,
           mobilityStatus = excluded.mobilityStatus,
-          attestationFile = excluded.attestationFile`
+          attestationFile = COALESCE(excluded.attestationFile, mobility.attestationFile)`
       );
 
       for (const mobility of dataEntries) {
@@ -105,7 +105,7 @@ export const handler: Handlers = {
             calculatedWeeksCount = Math.floor(differenceInDays / 7);
           }
         }
-        const attestationFile = fileMap[studentId] || null;
+        const attestationFile = fileMap[studentId] ?? null;
 
         console.log(`Inserting/Updating mobility for studentId: ${studentId}`);
         insertQuery.run(