diff --git a/lib/Operation.php b/lib/Operation.php
index 8cafad7..f4bad39 100644
--- a/lib/Operation.php
+++ b/lib/Operation.php
@@ -216,7 +216,7 @@ protected function buildCommand(string $template, Node $node, string $event, arr
 				$nodeID = $node->getId();
 			} catch (InvalidPathException | NotFoundException $e) {
 			}
-			$command = str_replace('%s', escapeshellarg((string)$nodeID), $command);
+			$command = str_replace('%i', escapeshellarg((string)$nodeID), $command);
 		}
 
 		if (strpos($command, '%a')) {