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-rw-r--r--apps/files_external/lib/Lib/Storage/SFTPReadStream.php3
1 files changed, 3 insertions, 0 deletions
diff --git a/apps/files_external/lib/Lib/Storage/SFTPReadStream.php b/apps/files_external/lib/Lib/Storage/SFTPReadStream.php
index 850a5469005..7a59cbf4898 100644
--- a/apps/files_external/lib/Lib/Storage/SFTPReadStream.php
+++ b/apps/files_external/lib/Lib/Storage/SFTPReadStream.php
@@ -129,6 +129,9 @@ class SFTPReadStream implements File {
$data = substr($this->buffer, 0, $count);
$this->buffer = substr($this->buffer, $count);
+ if ($this->buffer === false) {
+ $this->buffer = '';
+ }
$this->readPosition += strlen($data);
return $data;