diff --git a/lib/HTTP/Entity/Parser.pm b/lib/HTTP/Entity/Parser.pm
index 2aae780..7d8f6f7 100644
--- a/lib/HTTP/Entity/Parser.pm
+++ b/lib/HTTP/Entity/Parser.pm
@@ -110,7 +110,7 @@ sub parse {
                 }
                 my $loaded = substr $chunk_buffer, 0, $chunk_len, '';
                 $parser->add($loaded);
-                $buffer->print($loaded);
+                $buffer->print($loaded) if $buffer;
                 $chunk_buffer =~ s/^\015\012//;
                 $length += $chunk_len;
             }