diff --git a/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/CustomTimerInfo.kt b/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/CustomTimerInfo.kt
index b3ecea1..d88e39f 100644
--- a/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/CustomTimerInfo.kt
+++ b/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/CustomTimerInfo.kt
@@ -6,7 +6,7 @@ import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
 class CustomTimerInfo(
     name: String,
     description: String,
-    val studyTime: Int,
+    var studyTime: Int,
     id: String = ""
 ):  TimerInfo(id, name, description) {
 
diff --git a/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/PomodoroTimerInfo.kt b/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/PomodoroTimerInfo.kt
index dbbb0be..6dd6797 100644
--- a/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/PomodoroTimerInfo.kt
+++ b/app/src/main/java/be/ugent/sel/studeez/data/local/models/timer_info/PomodoroTimerInfo.kt
@@ -7,8 +7,8 @@ import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimerVi
 class PomodoroTimerInfo(
     name: String,
     description: String,
-    val studyTime: Int,
-    val breakTime: Int,
+    var studyTime: Int,
+    var breakTime: Int,
     val repeats: Int,
     id: String = ""
 ):  TimerInfo(id, name, description) {