diff --git a/firebase.json b/firebase.json
index 9a97dcad..74ab27a5 100644
--- a/firebase.json
+++ b/firebase.json
@@ -9,6 +9,7 @@
     "predeploy": ["node firebase/rules.js"]
   },
   "functions": {
-    "predeploy": ["npm --prefix \"$RESOURCE_DIR\" run build"]
+    "predeploy": ["npm --prefix \"$RESOURCE_DIR\" run build"],
+    "runtime": "nodejs10"
   }
 }
diff --git a/functions/package.json b/functions/package.json
index f930e130..eec5536b 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -8,9 +8,6 @@
     "deploy": "firebase deploy --only functions",
     "logs": "firebase functions:log"
   },
-  "engines": {
-    "node": "12"
-  },
   "main": "lib/index.js",
   "dependencies": {
     "firebase-admin": "9.4.1",
diff --git a/functions/src/index.ts b/functions/src/index.ts
index 3d7f9f2b..f0133ea2 100644
--- a/functions/src/index.ts
+++ b/functions/src/index.ts
@@ -144,6 +144,8 @@ exports.usersHooks = functions.firestore.document('users/{userId}').onWrite(asyn
 // proposals
 exports.proposalsHooks = functions.firestore.document('proposals/{proposalId}').onWrite(async (snap, context) => {
   if ((!snap.before.data() && snap.after.data()) || (snap.before.data() && snap.after.data())) {
+    if (snap.after.data()?.studentId === '') return;
+
     await db.runTransaction(async (transaction) => {
       transaction.set(db.collection('notifications').doc(), {
         userId: snap.after.data()?.teacherId,
diff --git a/server/api/project/submit.ts b/server/api/project/submit.ts
index 4d0c05c9..f4b4fc23 100644
--- a/server/api/project/submit.ts
+++ b/server/api/project/submit.ts
@@ -62,7 +62,7 @@ export default async (req: Request, res: Response) => {
 
         const system = await transaction.get(systemRef.doc('schoolYear'));
 
-        if ((projectData?.currentYear as admin.firestore.Timestamp).isEqual(system.data()?.projectDeadline)) throw new Error('409/2');
+        if (!(projectData?.currentYear as admin.firestore.Timestamp).isEqual(system.data()?.currentYear)) throw new Error('409/2');
 
         if (sfDoc.data()?.deadlineDate != null) {
           if (admin.firestore.Timestamp.now() > sfDoc.data()?.deadlineDate) throw new Error('423');