diff --git a/app/src/main/java/ru/vtosters/lite/utils/Base64Utils.java b/app/src/main/java/ru/vtosters/lite/utils/Base64Utils.java
index 4f3e1c039..c3c774609 100644
--- a/app/src/main/java/ru/vtosters/lite/utils/Base64Utils.java
+++ b/app/src/main/java/ru/vtosters/lite/utils/Base64Utils.java
@@ -2,6 +2,10 @@ package ru.vtosters.lite.utils;
 
 import android.util.Base64;
 
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+
 /*
  *Extension of Base64 class for decoding/encoding with flag NO_PADDING
  */
@@ -14,4 +18,12 @@ public class Base64Utils {
     public static String encode(String base) {
         return Base64.encodeToString(base.getBytes(), Base64.NO_PADDING);
     }
+
+    public static String encodeValue(String value) {
+        try {
+            return URLEncoder.encode(value, StandardCharsets.UTF_8.toString());
+        } catch (UnsupportedEncodingException e) {
+            throw new RuntimeException(e);
+        }
+    }
 }
diff --git a/app/src/main/java/ru/vtosters/lite/utils/SSFSUtils.java b/app/src/main/java/ru/vtosters/lite/utils/SSFSUtils.java
index 3626712d8..271687322 100644
--- a/app/src/main/java/ru/vtosters/lite/utils/SSFSUtils.java
+++ b/app/src/main/java/ru/vtosters/lite/utils/SSFSUtils.java
@@ -21,7 +21,7 @@ public class SSFSUtils {
                 "&lang=" + getLocale() +
                 "&vt=1&vksans=" + isVKSansEnabled() +
                 "&vt_version=" + getBuildNumber() +
-                "&useragent=" + Base64Utils.encode(Network.l.c().a()) +
+                "&useragent=" + Base64Utils.encodeValue(Base64Utils.encode(Network.l.c().a()) +
                 "&vt_debug=" + isDEVModEnabled();
     }