diff --git a/apps/files_external/3rdparty/icewind/smb/src/TimeZoneProvider.php b/apps/files_external/3rdparty/icewind/smb/src/TimeZoneProvider.php
index fcdf7e3e879b59559a9a8a1b516ae214a2ad08f3..4438ee5bf7cae1fa26ddadcc780ea6690804fe75 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/TimeZoneProvider.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/TimeZoneProvider.php
@@ -41,7 +41,10 @@ class TimeZoneProvider {
 					escapeshellarg($this->host)
 				);
 				$this->timeZone = exec($command);
-			} else { // fallback to server timezone
+			}
+
+			if ($this->timeZone) {
+				// fallback to server timezone
 				$this->timeZone = date_default_timezone_get();
 			}
 		}