diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Config.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Config.kt
index 856bb71ae..4cfcc5cd9 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Config.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Config.kt
@@ -376,18 +376,17 @@ class Config(context: Context) : BaseConfig(context) {
         set(bottomActions) = prefs.edit().putBoolean(BOTTOM_ACTIONS, bottomActions).apply()
 
     fun removeLastVideoPosition(path: String) {
-        prefs.edit().remove(LAST_VIDEO_POSITION_PREFIX + path.toLowerCase()).apply()
+        prefs.edit().remove("$LAST_VIDEO_POSITION_PREFIX${path.toLowerCase()}").apply()
     }
 
     fun saveLastVideoPosition(path: String, value: Int) {
         if (!path.isEmpty()) {
-            prefs.edit().putInt(LAST_VIDEO_POSITION_PREFIX + path.toLowerCase(), value).apply()
+            prefs.edit().putInt("$LAST_VIDEO_POSITION_PREFIX${path.toLowerCase()}", value).apply()
         }
     }
 
     fun getLastVideoPosition(path: String): Int {
-        val value = prefs.getInt(LAST_VIDEO_POSITION_PREFIX + path.toLowerCase(), 0)
-        return value
+        return prefs.getInt("$LAST_VIDEO_POSITION_PREFIX${path.toLowerCase()}", 0)
     }
 
     fun getAllLastVideoPositions() = prefs.all.filterKeys { it.startsWith(LAST_VIDEO_POSITION_PREFIX) }