diff --git a/homepage/participo/bdCheck.py b/homepage/participo/bdCheck.py
index 66584ca..6a1567f 100644
--- a/homepage/participo/bdCheck.py
+++ b/homepage/participo/bdCheck.py
@@ -54,51 +54,48 @@ try:
         if t["gebDatum"] not in [None, "0000-00-00"]
     ]
 
-    MatrixIm.post(
-        message="last birthdays: \n"
-        + "\n".join(
-            [
-                f"- {t['name']['given']} {t['name']['family']}: {get_days_since_birthday(t['date_of_birth'])} ({t['date_of_birth'].strftime('%d.%m.')})"
-                for t in sorted(
-                    [
-                        t
-                        for t in trainees
-                        if get_days_since_birthday(t["date_of_birth"]) > -14
-                    ],
-                    key=lambda t: get_days_since_birthday(t["date_of_birth"]),
-                )
-            ]
-        ),
-        home_server_url="https://matrix.org",
-        room_id="!vFXxgKsLbRLdWCSTIO:matrix.org",
-        credentials={
-            "user": "@ukenth-the-grumpy:matrix.org",
-            "password": "DQpSs1yn9Y26c1zo",
-        },
+    last_birthday_kids = sorted(
+        [t for t in trainees if get_days_since_birthday(t["date_of_birth"]) > -14],
+        key=lambda t: get_days_since_birthday(t["date_of_birth"]),
+    )
+    if last_birthday_kids:
+        MatrixIm.post(
+            message="last birthdays: \n"
+            + "\n".join(
+                [
+                    f"- {t['name']['given']} {t['name']['family']}: {get_days_since_birthday(t['date_of_birth'])} ({t['date_of_birth'].strftime('%d.%m.')})"
+                    for t in last_birthday_kids
+                ]
+            ),
+            home_server_url="https://matrix.org",
+            room_id="!vFXxgKsLbRLdWCSTIO:matrix.org",
+            credentials={
+                "user": "@ukenth-the-grumpy:matrix.org",
+                "password": "DQpSs1yn9Y26c1zo",
+            },
+        )
+
+    next_birthday_kids = sorted(
+        [t for t in trainees if get_days_until_birthday(t["date_of_birth"]) < 14],
+        key=lambda t: get_days_until_birthday(t["date_of_birth"]),
     )
 
-    MatrixIm.post(
-        message="next birthdays: \n"
-        + "\n".join(
-            [
-                f"- {t['name']['given']} {t['name']['family']}: {get_days_until_birthday(t['date_of_birth'])} ({t['date_of_birth'].strftime('%d.%m.')})"
-                for t in sorted(
-                    [
-                        t
-                        for t in trainees
-                        if get_days_until_birthday(t["date_of_birth"]) < 14
-                    ],
-                    key=lambda t: get_days_until_birthday(t["date_of_birth"]),
-                )
-            ]
-        ),
-        home_server_url="https://matrix.org",
-        room_id="!vFXxgKsLbRLdWCSTIO:matrix.org",
-        credentials={
-            "user": "@ukenth-the-grumpy:matrix.org",
-            "password": "DQpSs1yn9Y26c1zo",
-        },
-    )
+    if next_birthday_kids:
+        MatrixIm.post(
+            message="next birthdays: \n"
+            + "\n".join(
+                [
+                    f"- {t['name']['given']} {t['name']['family']}: {get_days_until_birthday(t['date_of_birth'])} ({t['date_of_birth'].strftime('%d.%m.')})"
+                    for t in next_birthday_kids
+                ]
+            ),
+            home_server_url="https://matrix.org",
+            room_id="!vFXxgKsLbRLdWCSTIO:matrix.org",
+            credentials={
+                "user": "@ukenth-the-grumpy:matrix.org",
+                "password": "DQpSs1yn9Y26c1zo",
+            },
+        )
 except Exception as e:
     MatrixIm.post(
         message=f"bdCheck: Exception {e} ({repr(e)})\nResponse was {response}",