diff --git a/packages/client/src/types/media/audio.ts b/packages/client/src/types/media/audio.ts
index bb65fc35..fd77e57c 100644
--- a/packages/client/src/types/media/audio.ts
+++ b/packages/client/src/types/media/audio.ts
@@ -48,4 +48,4 @@ export class Audio extends RawDocument {
     }
 }
 
-makeInspectable(Audio, ['fileSize', 'dcId'], ['inputMedia'])
+makeInspectable(Audio, ['fileSize', 'dcId'], ['inputMedia', 'inputDocument'])
diff --git a/packages/client/src/types/media/document.ts b/packages/client/src/types/media/document.ts
index 35ac91a6..891489e0 100644
--- a/packages/client/src/types/media/document.ts
+++ b/packages/client/src/types/media/document.ts
@@ -171,4 +171,4 @@ export class RawDocument extends FileLocation {
  */
 export class Document extends RawDocument {}
 
-makeInspectable(Document, ['fileSize', 'dcId'], ['inputMedia'])
+makeInspectable(Document, ['fileSize', 'dcId'], ['inputMedia', 'inputDocument'])
diff --git a/packages/client/src/types/media/sticker.ts b/packages/client/src/types/media/sticker.ts
index 2de4e4c6..bf968fe9 100644
--- a/packages/client/src/types/media/sticker.ts
+++ b/packages/client/src/types/media/sticker.ts
@@ -112,6 +112,13 @@ export class Sticker extends RawDocument {
         return this.attr.stickerset._ === 'inputStickerSetID'
     }
 
+    /**
+     * Input sticker set that it associated with this sticker, if available.
+     */
+    get inputStickerSet(): tl.TypeInputStickerSet | null {
+        return this.attr.stickerset._ === 'inputStickerSetEmpty' ? null : this.attr.stickerset
+    }
+
     private _maskPosition?: Sticker.MaskPosition
     /**
      * Position where this mask should be placed
@@ -158,4 +165,4 @@ export class Sticker extends RawDocument {
     }
 }
 
-makeInspectable(Sticker, ['fileSize', 'dcId'], ['inputMedia'])
+makeInspectable(Sticker, ['fileSize', 'dcId'], ['inputMedia', 'inputDocument'])
diff --git a/packages/client/src/types/media/video.ts b/packages/client/src/types/media/video.ts
index 81eca455..d561ee73 100644
--- a/packages/client/src/types/media/video.ts
+++ b/packages/client/src/types/media/video.ts
@@ -88,4 +88,4 @@ export class Video extends RawDocument {
     }
 }
 
-makeInspectable(Video, ['fileSize', 'dcId'], ['inputMedia'])
+makeInspectable(Video, ['fileSize', 'dcId'], ['inputMedia', 'inputDocument'])
diff --git a/packages/client/src/types/media/voice.ts b/packages/client/src/types/media/voice.ts
index 7ad1b844..1163b0c5 100644
--- a/packages/client/src/types/media/voice.ts
+++ b/packages/client/src/types/media/voice.ts
@@ -39,4 +39,4 @@ export class Voice extends RawDocument {
     }
 }
 
-makeInspectable(Voice, ['fileSize', 'dcId'], ['inputMedia'])
+makeInspectable(Voice, ['fileSize', 'dcId'], ['inputMedia', 'inputDocument'])
diff --git a/packages/client/src/types/peers/chat-photo.ts b/packages/client/src/types/peers/chat-photo.ts
index d55c07f9..6b0c77a5 100644
--- a/packages/client/src/types/peers/chat-photo.ts
+++ b/packages/client/src/types/peers/chat-photo.ts
@@ -179,4 +179,4 @@ export class ChatPhoto {
     }
 }
 
-makeInspectable(ChatPhoto)
+makeInspectable(ChatPhoto, [], ['thumb'])
diff --git a/packages/client/src/types/utils.ts b/packages/client/src/types/utils.ts
index 72402296..4a085369 100644
--- a/packages/client/src/types/utils.ts
+++ b/packages/client/src/types/utils.ts
@@ -56,10 +56,11 @@ export function makeInspectable(
         getters.forEach((it) => {
             try {
                 let val = this[it]
-                if (
+                if (Buffer.isBuffer(val)) {
+                    val = val.toString('base64')
+                } else if (
                     val &&
                     typeof val === 'object' &&
-                    !Buffer.isBuffer(val) &&
                     typeof val.toJSON === 'function'
                 ) {
                     val = val.toJSON()