diff --git a/src/library/library-routes.ts b/src/library/library-routes.ts
index 89d080e..544e5de 100644
--- a/src/library/library-routes.ts
+++ b/src/library/library-routes.ts
@@ -23,14 +23,14 @@ libraryRoutes.get('/all/', jwtAuthentication, async (request, response) => {
 libraryRoutes.get('/search/', jwtAuthentication, async (request, response) => {
     const wordCollection = getDatabaseClient().db(DB_NAME).collection<Word>('words');
 
-    if (!request.body.name) {
+    if (!request.query.name) {
         response.status(400);
         response.send("Fill in the word to search for");
         return;
     }
 
     const allWords = await wordCollection.find({
-        name: {'$regex':'^' + request.body.name.toString().toUpperCase() + '*'}
+        name: {'$regex':'^' + request.query.name.toString().toUpperCase() + '*'}
     }).toArray();
 
     response.status(200);
diff --git a/src/user-profile/category-routes.ts b/src/user-profile/category-routes.ts
index 9c6d98b..f74c7b7 100644
--- a/src/user-profile/category-routes.ts
+++ b/src/user-profile/category-routes.ts
@@ -14,8 +14,15 @@ export const jwtAuthentication = passport.authenticate('jwt', { session: false }
 categoryRoutes.get('/details/', jwtAuthentication, async (request, response) => {
     const categoryCollection = getDatabaseClient().db(DB_NAME).collection<MongoCategory>('categories');
 
+
+    if (!request.query._id) {
+        response.status(400);
+        response.send("Missing category _id");
+        return;
+    }
+
     const currentCategory = await categoryCollection.findOne({
-        _id: new ObjectId(request.body._id),
+        _id: new ObjectId(request.query._id.toString()),
     });
 
     if (currentCategory) {
diff --git a/src/user-profile/shelf-routes.ts b/src/user-profile/shelf-routes.ts
index 3246d86..d6d29d6 100644
--- a/src/user-profile/shelf-routes.ts
+++ b/src/user-profile/shelf-routes.ts
@@ -17,7 +17,7 @@ shelfRoutes.get('/details/', jwtAuthentication, async (request, response) => {
     const shelfCollection = getDatabaseClient().db(DB_NAME).collection<MongoShelf>('shelves');
 
     const currentShelf = await shelfCollection.findOne({
-        _id: new ObjectId(request.body._id)
+        _id: new ObjectId(request.query._id.toString())
     });
 
     if (!currentShelf) {