diff --git a/openpype/tools/project_manager/project_manager/delegates.py b/openpype/tools/project_manager/project_manager/delegates.py
index 605d0cbbab..1102242199 100644
--- a/openpype/tools/project_manager/project_manager/delegates.py
+++ b/openpype/tools/project_manager/project_manager/delegates.py
@@ -4,6 +4,8 @@ from Qt import QtWidgets, QtCore
 class NumberDelegate(QtWidgets.QStyledItemDelegate):
     def createEditor(self, parent, option, index):
         editor = QtWidgets.QSpinBox(parent)
+        editor.setMaximum(999999)
+        editor.setMinimum(0)
         value = index.data(QtCore.Qt.DisplayRole)
         if value is not None:
             editor.setValue(value)