diff --git a/server/src/commonMain/kotlin/pw/binom/services/SpyHandler.kt b/server/src/commonMain/kotlin/pw/binom/services/SpyHandler.kt
index bdb287a..2937bd8 100644
--- a/server/src/commonMain/kotlin/pw/binom/services/SpyHandler.kt
+++ b/server/src/commonMain/kotlin/pw/binom/services/SpyHandler.kt
@@ -29,8 +29,9 @@ class SpyHandler : HttpHandler {
         )
         request.headers.clear()
         request.headers.addAll(exchange.requestHeaders)
-        if (request.headers[Headers.ACCEPT_ENCODING] != null) {
-            val l = ArrayList(request.headers.acceptEncoding)
+        val acceptEncoding = request.headers.acceptEncoding
+        if ("gzip" in acceptEncoding) {
+            val l = ArrayList(acceptEncoding)
             l -= "gzip"
             request.headers.acceptEncoding = l
         }