1 files changed, 7 insertions, 1 deletions
diff --git a/vendor/guzzlehttp/psr7/src/CachingStream.php b/vendor/guzzlehttp/psr7/src/CachingStream.php
index 7000593..09e983d 100644
--- a/vendor/guzzlehttp/psr7/src/CachingStream.php
+++ b/vendor/guzzlehttp/psr7/src/CachingStream.php
@@ -36,7 +36,13 @@ class CachingStream implements StreamInterface
 
     public function getSize()
     {
-        return max($this->stream->getSize(), $this->remoteStream->getSize());
+        $remoteSize = $this->remoteStream->getSize();
+
+        if (null === $remoteSize) {
+            return null;
+        }
+
+        return max($this->stream->getSize(), $remoteSize);
     }
 
     public function rewind()