diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java
index a53ca68c..08a504b3 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java
@@ -87,7 +87,7 @@ public class InlineQueryResultCachedAudio implements InlineQueryResult {
         jsonObject.put(ID_FIELD, id);
         jsonObject.put(AUDIO_FILE_ID_FIELD, audioFileId);
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java
index 21634824..e19cd3ee 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java
@@ -128,7 +128,7 @@ public class InlineQueryResultCachedDocument implements InlineQueryResult {
             jsonObject.put(DESCRIPTION_FIELD, this.description);
         }
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java
index c2ad9280..04790156 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java
@@ -115,7 +115,7 @@ public class InlineQueryResultCachedGif implements InlineQueryResult {
             jsonObject.put(CAPTION_FIELD, this.caption);
         }
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java
index 00112f0b..df7dbbfc 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java
@@ -115,7 +115,7 @@ public class InlineQueryResultCachedMpeg4Gif implements InlineQueryResult {
             jsonObject.put(CAPTION_FIELD, this.caption);
         }
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java
index a5a8306c..489d3a09 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java
@@ -130,7 +130,7 @@ public class InlineQueryResultCachedPhoto implements InlineQueryResult {
             jsonObject.put(CAPTION_FIELD, this.caption);
         }
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java
index 76556a71..c52bf668 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java
@@ -87,7 +87,7 @@ public class InlineQueryResultCachedSticker implements InlineQueryResult {
         jsonObject.put(ID_FIELD, this.id);
         jsonObject.put(STICKER_FILE_ID_FIELD, stickerFileId);
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java
index d187fc5a..565f9943 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java
@@ -130,7 +130,7 @@ public class InlineQueryResultCachedVideo implements InlineQueryResult {
             jsonObject.put(DESCRIPTION_FIELD, this.description);
         }
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);
diff --git a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java
index 810656b6..b770252c 100644
--- a/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java
+++ b/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java
@@ -102,7 +102,7 @@ public class InlineQueryResultCachedVoice implements InlineQueryResult {
             jsonObject.put(TITLE_FIELD, this.title);
         }
         if (replyMarkup != null) {
-            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup);
+            jsonObject.put(REPLY_MARKUP_FIELD, replyMarkup.toJson());
         }
         if (inputMessageContent != null) {
             jsonObject.put(INPUTMESSAGECONTENT_FIELD, inputMessageContent);