diff --git a/src/modules/api/api.ts b/src/modules/api/api.ts
index 72567bf..4473862 100644
--- a/src/modules/api/api.ts
+++ b/src/modules/api/api.ts
@@ -149,7 +149,7 @@ function GetApp(): ModuleType {
   )
 
   const dataFiles: Array<DataFile> = utils.ReadJSON(dbsFile)
-  const questionDbs = loadJSON(dataFiles, publicDir)
+  const questionDbs: Array<QuestionDb> = loadJSON(dataFiles, publicDir)
   let version = ''
   let rootRedirectURL = ''
   let motd = ''
@@ -268,6 +268,7 @@ function GetApp(): ModuleType {
         return {
           path: qdb.path.replace(publicDir, ''),
           name: qdb.name,
+          locked: qdb.locked,
         }
       })
     )
@@ -873,6 +874,12 @@ function GetApp(): ModuleType {
     return loadedNewDb
   }
 
+  function dbExists(location, qdbs: Array<QuestionDb>) {
+    return qdbs.some((qdb) => {
+      return qdb.name === location
+    })
+  }
+
   app.post('/isAdding', function(req: Request, res: any) {
     logger.LogReq(req)
     const user: User = req.session.user
@@ -897,7 +904,21 @@ function GetApp(): ModuleType {
       }, [])
 
       if (suitedQuestionDbs.length === 0) {
-        suitedQuestionDbs.push(getNewQdb(location, maxIndex))
+        if (!dbExists(location, questionDbs)) {
+          suitedQuestionDbs.push(getNewQdb(location, maxIndex))
+        } else {
+          logger.Log(
+            `Tried to add existing db named ${location}!`,
+            logger.GetColor('red')
+          )
+        }
+      }
+      if (suitedQuestionDbs.length === 0) {
+        res.json({
+          status: 'fail',
+          msg: 'No suitable dbs to add questions to',
+        })
+        return
       }
 
       processIncomingRequest(req.body, suitedQuestionDbs, dryRun, user)
diff --git a/src/types/basicTypes.ts b/src/types/basicTypes.ts
index 470fce3..47a38ee 100644
--- a/src/types/basicTypes.ts
+++ b/src/types/basicTypes.ts
@@ -20,6 +20,7 @@ export interface Subject {
 export interface DataFile {
   path: string
   name: string
+  locked?: Boolean
   shouldSearch:
     | string
     | {
diff --git a/src/utils/actions.ts b/src/utils/actions.ts
index 73d9593..83401e7 100755
--- a/src/utils/actions.ts
+++ b/src/utils/actions.ts
@@ -306,6 +306,10 @@ export function shouldSaveDataFile(
   df: DataFile,
   recievedData: RecievedData
 ): Boolean {
+  if (df.locked) {
+    return false
+  }
+
   if (df.shouldSave.version) {
     const { compare, val } = df.shouldSave.version
     if (compare === 'equals') {
diff --git a/submodules/qmining-page b/submodules/qmining-page
index aae9433..fbf0c40 160000
--- a/submodules/qmining-page
+++ b/submodules/qmining-page
@@ -1 +1 @@
-Subproject commit aae943336ab052e61f61e20d2c3dd0b45a263183
+Subproject commit fbf0c40fbb70d712402baf3aa9294093f66a89ab