diff --git a/src/en/readcomiconline/build.gradle b/src/en/readcomiconline/build.gradle
index 2a9d8ca1f..b817e48a9 100644
--- a/src/en/readcomiconline/build.gradle
+++ b/src/en/readcomiconline/build.gradle
@@ -5,7 +5,7 @@ ext {
     extName = 'ReadComicOnline'
     pkgNameSuffix = 'en.readcomiconline'
     extClass = '.Readcomiconline'
-    extVersionCode = 8
+    extVersionCode = 9
     libVersion = '1.2'
 }
 
diff --git a/src/en/readcomiconline/src/eu/kanade/tachiyomi/extension/en/readcomiconline/Readcomiconline.kt b/src/en/readcomiconline/src/eu/kanade/tachiyomi/extension/en/readcomiconline/Readcomiconline.kt
index e01548714..4124e211a 100644
--- a/src/en/readcomiconline/src/eu/kanade/tachiyomi/extension/en/readcomiconline/Readcomiconline.kt
+++ b/src/en/readcomiconline/src/eu/kanade/tachiyomi/extension/en/readcomiconline/Readcomiconline.kt
@@ -14,6 +14,7 @@ import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.ParsedHttpSource
 import okhttp3.FormBody
+import okhttp3.Headers
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -36,6 +37,10 @@ class Readcomiconline : ConfigurableSource, ParsedHttpSource() {
 
     override val client: OkHttpClient = network.cloudflareClient
 
+    override fun headersBuilder() = Headers.Builder().apply {
+        add("User-Agent", "Mozilla/5.0 (Windows NT 6.3; WOW64)")
+    }
+
     private val preferences: SharedPreferences by lazy {
         Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
     }