M src/panel.c → src/panel.c

@@ -1083,6 +1083,7 @@ panel->area.resize_needed = TRUE;
 		systray.area.resize_needed = TRUE;
 		schedule_redraw(&systray.area);
 		refresh_systray = TRUE;
+		update_minimized_icon_positions(panel);
 	}
 }
 

M src/taskbar/taskbar.c → src/taskbar/taskbar.c

@@ -674,3 +674,18 @@ sort_tasks(task->area.parent);
 		}
 	}
 }
+
+void update_minimized_icon_positions(void *p)
+{
+	Panel *panel = (Panel *)p;
+	for (int i = 0; i < panel->num_desktops; i++) {
+		Taskbar *taskbar = &panel->taskbar[i];
+		if (!taskbar->area.on_screen)
+			continue;
+		for (GList *c = taskbar->area.children; c; c = c->next) {
+			Area *area = (Area *)c->data;
+			if (area->_on_change_layout)
+				area->_on_change_layout(area);
+		}
+	}
+}

M src/taskbar/taskbar.h → src/taskbar/taskbar.h

@@ -88,6 +88,8 @@ 
 // Updates the visibility of all taskbars
 void update_all_taskbars_visibility();
 
+void update_minimized_icon_positions(void *p);
+
 // Sorts the taskbar(s) on which the window is present.
 void sort_taskbar_for_win(Window win);