diff --git a/Programm/main.py b/Programm/main.py
index e5fb8fb..2d52a1c 100644
--- a/Programm/main.py
+++ b/Programm/main.py
@@ -52,29 +52,35 @@ class Main_Window(CTk):
         self.sidebar_frame = CTkFrame(master=self, fg_color=mainColor,  width=176, corner_radius=10*self.scale, bg_color="transparent")
         self.sidebar_frame.pack(fill=Y,side=LEFT,anchor="w",padx=5, pady=5)
         
+        self.img = [Image.open("img/logo_running.png"),
+                    Image.open("img/icons/analytics_white.png"),
+                    Image.open("img/icons/pen_white.png"),
+                    Image.open("img/icons/table_white.png"),
+                    Image.open("img/icons/group_white.png"),
+                    Image.open("img/icons/settings_white.png")]
 
-        self.img_logo = CTkImage(dark_image=Image.open("img/logo_running.png"), light_image=Image.open("img/logo_running.png"), size=(100,100))
+        self.img_logo = CTkImage(dark_image=self.img[0], light_image=self.img[0], size=(100,100))
         self.logo = CTkLabel(master=self.sidebar_frame, text="", image=self.img_logo)
         self.logo.pack(padx=5, pady=20)
         
-        self.img_dashboard = CTkImage(dark_image=Image.open("img/icons/analytics_white.png"), light_image=Image.open("img/icons/analytics_white.png"))
+        self.img_dashboard = CTkImage(dark_image=self.img[1], light_image=self.img[1])
         self.button1 = CTkButton(master=self.sidebar_frame, image=self.img_dashboard, text="Dashboard", fg_color="transparent", font=("Arial Bold", 14), hover_color=contrastColor, anchor="w", command=lambda: self.initiate_window(1))
         self.button1.pack(padx=5, pady=5)
 
-        self.img_edit = CTkImage(dark_image=Image.open("img/icons/pen_white.png"), light_image=Image.open("img/icons/pen_white.png"))
+        self.img_edit = CTkImage(dark_image=self.img[2], light_image=self.img[2])
         self.button2 = CTkButton(master=self.sidebar_frame, image=self.img_edit, text="Eintragen", fg_color="transparent", font=("Arial Bold", 14), hover_color=contrastColor, anchor="w", command=lambda: self.initiate_window(2))
         self.button2.pack(padx=5, pady=5)
 
 
-        self.img_table = CTkImage(dark_image=Image.open("img/icons/table_white.png"), light_image=Image.open("img/icons/table_white.png"))
+        self.img_table = CTkImage(dark_image=self.img[3], light_image=self.img[3])
         self.button3 = CTkButton(master=self.sidebar_frame, image=self.img_table, text="Werte", fg_color="transparent", font=("Arial Bold", 14), hover_color=contrastColor, anchor="w", command=lambda: self.initiate_window(3))
         self.button3.pack(padx=5, pady=5)
         
-        self.img_users = CTkImage(dark_image=Image.open("img/icons/group_white.png"), light_image=Image.open("img/icons/group_white.png"))
+        self.img_users = CTkImage(dark_image=self.img[4], light_image=self.img[4])
         self.button4 = CTkButton(master=self.sidebar_frame, image=self.img_users, text="Sportler", fg_color="transparent", font=("Arial Bold", 14), hover_color=contrastColor, anchor="w", command=lambda: self.initiate_window(4))
         self.button4.pack(padx=5, pady=5)
         
-        self.img_settings = CTkImage(dark_image=Image.open("img/icons/settings_white.png"), light_image=Image.open("img/icons/settings_white.png"))
+        self.img_settings = CTkImage(dark_image=self.img[5], light_image=self.img[5])
         self.button5 = CTkButton(master=self.sidebar_frame, image=self.img_settings, text="Einstellungen", fg_color="transparent", font=("Arial Bold", 14), hover_color=contrastColor, anchor="w", command=self.open_window_settings)
         self.button5.pack(padx=10, pady=10,side=BOTTOM)