diff --git a/Scripts/Editor/NodeEditorGUI.cs b/Scripts/Editor/NodeEditorGUI.cs
index 7198486..9954325 100644
--- a/Scripts/Editor/NodeEditorGUI.cs
+++ b/Scripts/Editor/NodeEditorGUI.cs
@@ -418,6 +418,7 @@ namespace XNodeEditor {
                 if (string.IsNullOrEmpty(tooltip)) return;
                 GUIContent content = new GUIContent(tooltip);
                 Vector2 size = NodeEditorResources.styles.tooltip.CalcSize(content);
+                size.x += 8;
                 Rect rect = new Rect(Event.current.mousePosition - (size), size);
                 EditorGUI.LabelField(rect, content, NodeEditorResources.styles.tooltip);
                 Repaint();