diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39824f35..94d290d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ CHANGELOG for FlatCAM beta
 - in 2Sided Plugin clicking LMB and also pressing CTRL+Shift will add the click coordinates to the Drll Alignment Coordinates
 - added support for all Plugins to handle the LMB click release event without connect/reconnect of the mouse events
 - code refactoring in app_Main file
+- in 2Sided Plugin, deleting the last drill alignment coordinates will update the clipboard values too
 
 3.10.2021
 
diff --git a/appPlugins/ToolDblSided.py b/appPlugins/ToolDblSided.py
index ec9c226a..2b063cb8 100644
--- a/appPlugins/ToolDblSided.py
+++ b/appPlugins/ToolDblSided.py
@@ -524,6 +524,20 @@ class DblSidedTool(AppTool):
         self.drill_values = drill_values_without_last_tupple
         self.ui.alignment_holes.set_value(self.drill_values)
 
+        # adjust the clipboard content too
+        try:
+            old_clipb = eval(self.app.clipboard.text())
+        except Exception as err:
+            # self.log.error("App.on_mouse_and_key_modifiers() --> %s" % str(err))
+            old_clipb = None
+
+        if isinstance(old_clipb, list):
+            red_clip = old_clipb[:-1]
+            clip_text = str(red_clip[0]) if len(red_clip) == 1 else str(red_clip)
+        else:
+            clip_text = ''
+        self.app.clipboard.setText(clip_text)
+
     def on_toggle_pointbox(self, val):
         if val == "point":
             self.ui.pr_frame.show()
diff --git a/app_Main.py b/app_Main.py
index 777112f9..d195d0d5 100644
--- a/app_Main.py
+++ b/app_Main.py
@@ -7723,17 +7723,20 @@ class App(QtCore.QObject):
         :return:
         """
 
-        if self.ui.notebook.currentWidget().objectName() == "plugin_tab":
-            tab_idx = self.ui.notebook.currentIndex()
-            for plugin in self.app_plugins:
-                # execute this only for the current active plugin
-                if self.ui.notebook.tabText(tab_idx) == plugin.pluginName:
-                    try:
-                        plugin.on_mouse_plugin_click_release()
-                    except AttributeError:
-                        # not all plugins have this implemented
-                        # print("This does not have it", self.ui.notebook.tabText(tab_idx))
-                        pass
+        if self.ui.notebook.currentWidget().objectName() != "plugin_tab":
+            return
+
+        tab_idx = self.ui.notebook.currentIndex()
+        for plugin in self.app_plugins:
+            # execute this only for the current active plugin
+            if self.ui.notebook.tabText(tab_idx) != plugin.pluginName:
+                continue
+            try:
+                plugin.on_mouse_plugin_click_release()
+            except AttributeError:
+                # not all plugins have this implemented
+                # print("This does not have it", self.ui.notebook.tabText(tab_idx))
+                pass
 
     def delete_hover_shape(self):
         self.hover_shapes.clear()