diff --git a/src/Driver/Http2Driver.php b/src/Driver/Http2Driver.php
index 6f05e468..99e37953 100644
--- a/src/Driver/Http2Driver.php
+++ b/src/Driver/Http2Driver.php
@@ -1052,15 +1052,9 @@ function (int $bodySize) use ($streamId) {
             }
         );
 
-        $bodySizeLimit = $this->bodySizeLimit;
-
-        if ($this->serverWindow <= $bodySizeLimit >> 1) {
-            $increment = \min($bodySizeLimit - $this->serverWindow, self::MAX_INCREMENT);
-
-            if ($increment > 0) {
-                $this->serverWindow += $increment;
-                $this->writeFrame(\pack("N", $increment), Http2Parser::WINDOW_UPDATE, Http2Parser::NO_FLAG);
-            }
+        if ($this->serverWindow <= self::MINIMUM_WINDOW) {
+            $this->serverWindow += self::MAX_INCREMENT;
+            $this->writeFrame(\pack("N", self::MAX_INCREMENT), Http2Parser::WINDOW_UPDATE, Http2Parser::NO_FLAG);
         }
 
         if (isset($headers["content-length"])) {