diff --git a/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt
index 86fb1c2..85994ec 100644
--- a/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt
@@ -33,6 +33,6 @@ class MainActivity : AppCompatActivity() {
 
     override fun onDestroy() {
         super.onDestroy()
-        preferences().isFirstRun(false)
+        preferences().isFirstRun = false
     }
 }
diff --git a/app/src/main/kotlin/com/simplemobiletools/applauncher/extensions/preferences.kt b/app/src/main/kotlin/com/simplemobiletools/applauncher/extensions/preferences.kt
index 126bb51..2ac7e22 100644
--- a/app/src/main/kotlin/com/simplemobiletools/applauncher/extensions/preferences.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/applauncher/extensions/preferences.kt
@@ -14,8 +14,10 @@ fun Context.preferences(init: SharedPreferences.() -> Unit = defaultInit): Share
     return defaultPreferences
 }
 
-val SharedPreferences.isFirstRun: Boolean get() = getBoolean(IS_FIRST_RUN, true)
-
-fun SharedPreferences.isFirstRun(isFirstRun: Boolean) {
-    edit().putBoolean(IS_FIRST_RUN, isFirstRun).apply()
-}
+var SharedPreferences.isFirstRun: Boolean
+    set(isFirstRun: Boolean) {
+        edit().putBoolean(IS_FIRST_RUN, isFirstRun).apply()
+    }
+    get() {
+        return getBoolean(IS_FIRST_RUN, true)
+    }