diff --git a/Editor/Toolbar/Tools/ToolBuild.cs b/Editor/Toolbar/Tools/ToolBuild.cs
index fd1dd22..5a6c66d 100644
--- a/Editor/Toolbar/Tools/ToolBuild.cs
+++ b/Editor/Toolbar/Tools/ToolBuild.cs
@@ -61,7 +61,8 @@ namespace Module.NavigationTool.Editor.Toolbar
 
             if (GUI.Button(rect1, DROPDOWN, styles.button))
             {
-                EditorUtility.DisplayCustomMenu(rect, CONTENT_LIST, currentSelected, (_, _, selected) =>
+                // Note: Do not discard the parameters: userData and options, since they throw an error in 2019, if there are two of them
+                EditorUtility.DisplayCustomMenu(rect, CONTENT_LIST, currentSelected, (userData, options, selected) =>
                 {
                     if (selected != -1)
                         ToolbarSettings.IsBuildAndRunEnabled = selected == 1;
diff --git a/Editor/Toolbar/Tools/ToolBuildTargetPicker.cs b/Editor/Toolbar/Tools/ToolBuildTargetPicker.cs
index 20fb23a..fe60ebd 100644
--- a/Editor/Toolbar/Tools/ToolBuildTargetPicker.cs
+++ b/Editor/Toolbar/Tools/ToolBuildTargetPicker.cs
@@ -49,7 +49,8 @@ namespace Module.NavigationTool.Editor.Toolbar
             
             if (GUI.Button(rect, content, styles.buttonNoPadding))
             {
-                EditorUtility.DisplayCustomMenu(rect, TARGET_LIST, SELECTED_INDEX, (_, _, selected) =>
+                // Note: Do not discard the parameters: userData and options, since they throw an error in 2019, if there are two of them
+                EditorUtility.DisplayCustomMenu(rect, TARGET_LIST, SELECTED_INDEX, (userData, options, selected) =>
                 {
                     if (selected != -1 && selected != SELECTED_INDEX)
                         SetBuildTargetTo(selected);
diff --git a/package.json b/package.json
index 5f1bec9..32a351f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.module.navigationtool",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "displayName": "Module.NavigationTool",
   "description": "Support for navigation tools, like favorites, history and toolbars",
   "unity": "2019.2",