diff --git a/app/src/main/java/org/mosad/seil0/projectlaogai/controller/CacheController.kt b/app/src/main/java/org/mosad/seil0/projectlaogai/controller/CacheController.kt
index c3f291c..7367a4b 100644
--- a/app/src/main/java/org/mosad/seil0/projectlaogai/controller/CacheController.kt
+++ b/app/src/main/java/org/mosad/seil0/projectlaogai/controller/CacheController.kt
@@ -103,7 +103,7 @@ class CacheController(cont: Context) {
 
             val fileReader = FileReader(file)
             val bufferedReader = BufferedReader(fileReader)
-            val coursesObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
+            val coursesObject = JsonParser.parseString(bufferedReader.readLine()).asJsonObject
 
             coursesList = Gson().fromJson(coursesObject.getAsJsonArray("courses"), object : TypeToken<List<Course>>() {}.type)
         }
@@ -122,7 +122,7 @@ class CacheController(cont: Context) {
 
             val fileReader = FileReader(file)
             val bufferedReader = BufferedReader(fileReader)
-            val mensaObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
+            val mensaObject = JsonParser.parseString(bufferedReader.readLine()).asJsonObject
 
             mensaMenu = GsonBuilder().create().fromJson(mensaObject, MensaMenu().javaClass)
         }
@@ -141,7 +141,7 @@ class CacheController(cont: Context) {
 
             val fileReader = FileReader(file)
             val bufferedReader = BufferedReader(fileReader)
-            val timetableObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
+            val timetableObject = JsonParser.parseString(bufferedReader.readLine()).asJsonObject
 
             // make sure you add the single weeks in the exact order!
             if (timetables.size > week) {