diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Pgp.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Pgp.php
index d4d391e69..c3764c6ee 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Pgp.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/Pgp.php
@@ -219,6 +219,7 @@ trait Pgp
 
 		$result = false;
 		if ($sKey) {
+			$sKey = \trim($sKey);
 			if ($this->GetActionParam('backup', '')) {
 				$result = $result || Backup::PGPKey($sKey);
 			}