diff --git a/Assets/Scripts/Dialog System/DialogController.cs b/Assets/Scripts/Dialog System/DialogController.cs
index 75e9b15da..ba39ddb19 100644
--- a/Assets/Scripts/Dialog System/DialogController.cs	
+++ b/Assets/Scripts/Dialog System/DialogController.cs	
@@ -210,16 +210,28 @@ namespace AibisDream
         }
 
         [YarnCommand("fade_in")]
-        public static IEnumerator FadeIn(float duration = 1)
+        public static IEnumerator FadeIn(float duration)
         {
             return MainUIController.Instance.FadeInSync(duration);
         }
 
         [YarnCommand("fade_out")]
-        public static IEnumerator FadeOut(float duration = 1)
+        public static IEnumerator FadeOut(float duration)
         {
             return MainUIController.Instance.FadeOutSync(duration);
         }
+        
+        [YarnCommand("fade_in")]
+        public static IEnumerator FadeIn()
+        {
+            return MainUIController.Instance.FadeInSync(1);
+        }
+
+        [YarnCommand("fade_out")]
+        public static IEnumerator FadeOut()
+        {
+            return MainUIController.Instance.FadeOutSync(1);
+        }
 
         #endregion
     }