diff --git a/nitrokeyapp/gui.py b/nitrokeyapp/gui.py
index 230767d8..02d8c350 100644
--- a/nitrokeyapp/gui.py
+++ b/nitrokeyapp/gui.py
@@ -124,6 +124,9 @@ def __init__(self, qt_app: QtWidgets.QApplication, log_file: str):
             self.tabs.addTab(view.widget, view.title)
         self.tabs.currentChanged.connect(self.slot_tab_changed)
 
+        # set some spacing between Nitrokey buttons
+        self.ui.nitrokeyButtonsLayout.setSpacing(2)
+
         self.init_gui()
         self.show()