diff --git a/ms_sample_list_creator/main.py b/ms_sample_list_creator/main.py
index c4e3578..d2adb60 100644
--- a/ms_sample_list_creator/main.py
+++ b/ms_sample_list_creator/main.py
@@ -59,12 +59,13 @@ def __init__(self, parent: tk.Tk, *args: Any, **kwargs: Any):
         frame_entries_up.pack(fill="x", pady=5)
 
         entry_username = tk.Entry(frame_entries_up, textvariable=self.username)
-        self.username.set("edouard.bruelhart@unifr.ch")
         entry_username.pack(side="left", anchor="center")
         entry_password = tk.Entry(frame_entries_up, textvariable=self.password, show="*")
-        self.password.set("861510Eb.98")
         entry_password.pack(side="right", anchor="center")
 
+        # set the cursor to the prefix entry
+        entry_username.focus_set()
+
         frame_labels_om = tk.Frame(self)
         frame_labels_om.pack(fill="x", pady=(5, 0))
 
@@ -78,11 +79,9 @@ def __init__(self, parent: tk.Tk, *args: Any, **kwargs: Any):
         frame_entries_om.pack(fill="x", pady=(5, 0))
 
         entry_operator = tk.Entry(frame_entries_om, textvariable=self.operator)
-        self.operator.set("EB")
         entry_operator.pack(side="left", anchor="center")
 
         entry_ms = tk.Entry(frame_entries_om, textvariable=self.ms_id)
-        self.ms_id.set("ms_000001")
         entry_ms.pack(side="right", anchor="center")
 
         frame_label_rack = tk.Frame(self)
@@ -138,11 +137,9 @@ def __init__(self, parent: tk.Tk, *args: Any, **kwargs: Any):
         frame_entries_np.pack(fill="x", pady=(5, 0))
 
         entry_blk_name = tk.Entry(frame_entries_np, textvariable=self.blk_name)
-        self.blk_name.set("mapp")
         entry_blk_name.pack(side="left", anchor="center")
 
         entry_blk_pos = tk.Entry(frame_entries_np, textvariable=self.blk_pos)
-        self.blk_pos.set("B:F1")
         entry_blk_pos.pack(side="right", anchor="center")
 
         frame_labels_pv = tk.Frame(self)
@@ -791,8 +788,12 @@ def __init__(self, root: tk.Toplevel):
         label_prefix.pack()
 
         entry_prefix = tk.Entry(self, textvariable=self.prefix)
+        self.prefix.set("G:")
         entry_prefix.pack()
 
+        # set the cursor to the prefix entry
+        entry_prefix.focus_set()
+
         # Submit button
         button_submit = tk.Button(self, text="Submit", command=self.store_prefix)
         button_submit.pack()