diff --git a/src/cpp/slidemodel.cpp b/src/cpp/slidemodel.cpp
index 6481ba6..c3e0baf 100644
--- a/src/cpp/slidemodel.cpp
+++ b/src/cpp/slidemodel.cpp
@@ -315,7 +315,8 @@ void SlideModel::removeServiceItem(const int &index, const ServiceItem &item) {
     return;
   }
   if (item.slideNumber() > 1) {
-    for (int i = item.slideNumber() + id - 1; i > id - 1; i--) {
+    qDebug() << "need to remove" << item.slideNumber() << "slides";
+    for (int i = id + item.slideNumber() - 1; i > id - 1; i--) {
       qDebug() << "Removing multiple slides";
       qDebug() << "Removing slide:" << i;
       beginRemoveRows(QModelIndex(), i, i);