diff --git a/xybrid/ui/patterneditoritemdelegate.cpp b/xybrid/ui/patterneditoritemdelegate.cpp
index c6bbd1a..a9f3d1a 100644
--- a/xybrid/ui/patterneditoritemdelegate.cpp
+++ b/xybrid/ui/patterneditoritemdelegate.cpp
@@ -336,7 +336,7 @@ bool PatternEditorItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *m
                         }
                     }
                 } else { // new param; set to key pressed and move forward
-                    if (k == Qt::Key_Delete || k == Qt::Key_Insert || k == Qt::Key_Backspace) return false;
+                    if (k == Qt::Key_Delete || k == Qt::Key_Insert || k == Qt::Key_Backspace) return dc->cancel();
                     char chr = static_cast<QKeyEvent*>(event)->text().toUtf8()[0];
                     row.addParam(chr);
                     auto view = static_cast<PatternEditorView*>(parent());