diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce05d40c82..5b5223e811 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@
 * `Common`:
     * `Version`:
         * `MicroUtils`: `0.4.0` -> `0.4.1`
+* `Core`:
+    * `TelegramAPIUrlsKeeper` will fix ending of host url since this version
 
 ## 0.30.6
 
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/TelegramAPIUrlsKeeper.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/TelegramAPIUrlsKeeper.kt
index 1e8770804d..100781d435 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/TelegramAPIUrlsKeeper.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/TelegramAPIUrlsKeeper.kt
@@ -2,10 +2,28 @@ package dev.inmo.tgbotapi.utils
 
 const val telegramBotAPIDefaultUrl = "https://api.telegram.org"
 
+private inline val String.withoutLastSlash: String
+    get() {
+        var correctedUrl = this
+        while (true) {
+            val withoutSuffix = correctedUrl.removeSuffix("/")
+            if (withoutSuffix == correctedUrl) {
+                return correctedUrl
+            }
+            correctedUrl = withoutSuffix
+        }
+    }
+
 class TelegramAPIUrlsKeeper(
     token: String,
     hostUrl: String = telegramBotAPIDefaultUrl
 ) {
-    val commonAPIUrl = "$hostUrl/bot$token"
-    val fileBaseUrl = "$hostUrl/file/bot$token"
+    val commonAPIUrl: String
+    val fileBaseUrl: String
+
+    init {
+        val correctedHost = hostUrl.withoutLastSlash
+        commonAPIUrl = "$correctedHost/bot$token"
+        fileBaseUrl = "$correctedHost/file/bot$token"
+    }
 }