diff --git a/Nextcloud Contact Infos/convert_athletes.ipynb b/Nextcloud Contact Infos/convert_athletes.ipynb
index 8d8065f..d3d8b91 100644
--- a/Nextcloud Contact Infos/convert_athletes.ipynb	
+++ b/Nextcloud Contact Infos/convert_athletes.ipynb	
@@ -141,7 +141,7 @@
     "df['Nachname'] = df['Nachname'].str.strip()\n",
     "df['rower'] = df.apply(evaluate_rower,axis=1,args=('rower',))\n",
     "df['Telefonnummer'] = df.apply(extract_tel,axis=1,args=('Telefonnummer',))\n",
-    "df['Foto'] = df['Foto'].str.replace(' ','-')"
+    "df['Foto'] = df['Foto'].str.replace(' ','-').fillna('-')"
    ]
   },
   {
@@ -165,35 +165,37 @@
     "\n",
     "    filename = row['Foto']\n",
     "\n",
-    "    found_photo = False\n",
-    "    i = 30\n",
-    "    while found_photo is False:\n",
-    "        print(f\"trying folder {i}\")\n",
-    "        folders = [\"Forms\",\"6 - Kontaktdatenerhebung RV Villach\",f\"{i}\",\"23 - photo_name\"]\n",
-    "        folder_string = '/'.join([urllib.parse.quote(folder) for folder in folders])\n",
-    "        filename_photo = urllib.parse.quote(filename)\n",
+    "    if filename != '-':\n",
     "\n",
-    "        url_photo = '/'.join([base_url,folder_string,urllib.parse.quote(filename_photo)])\n",
+    "        found_photo = False\n",
+    "        i = 30\n",
+    "        while found_photo is False:\n",
+    "            print(f\"trying folder {i}\")\n",
+    "            folders = [\"Forms\",\"6 - Kontaktdatenerhebung RV Villach\",f\"{i}\",\"23 - photo_name\"]\n",
+    "            folder_string = '/'.join([urllib.parse.quote(folder) for folder in folders])\n",
+    "            filename_photo = urllib.parse.quote(filename)\n",
     "\n",
-    "        r = requests.get(url_photo, auth=(user, app_pw))\n",
-    "        if r.status_code != 200:\n",
-    "            i+=1\n",
-    "            if i > 200:\n",
-    "                break\n",
-    "            continue\n",
-    "        else:\n",
-    "            photo_bytes = r.content\n",
-    "            found_photo = True\n",
-    "            photo_b64 = base64.b64encode(photo_bytes).decode(\"utf-8\")\n",
-    "            \n",
-    "            i = base64.b64decode(photo_b64)\n",
-    "            i = io.BytesIO(i)\n",
-    "            i = mpimg.imread(i, format='JPG')\n",
+    "            url_photo = '/'.join([base_url,folder_string,urllib.parse.quote(filename_photo)])\n",
     "\n",
-    "            plt.imshow(i, interpolation='nearest')\n",
-    "            plt.show()\n",
+    "            r = requests.get(url_photo, auth=(user, app_pw))\n",
+    "            if r.status_code != 200:\n",
+    "                i+=1\n",
+    "                if i > 200:\n",
+    "                    break\n",
+    "                continue\n",
+    "            else:\n",
+    "                photo_bytes = r.content\n",
+    "                found_photo = True\n",
+    "                photo_b64 = base64.b64encode(photo_bytes).decode(\"utf-8\")\n",
+    "                \n",
+    "                i = base64.b64decode(photo_b64)\n",
+    "                i = io.BytesIO(i)\n",
+    "                i = mpimg.imread(i, format='JPG')\n",
     "\n",
-    "            return photo_b64\n",
+    "                plt.imshow(i, interpolation='nearest')\n",
+    "                plt.show()\n",
+    "\n",
+    "                return photo_b64\n",
     "        \n"
    ]
   },