diff --git a/papi/main.py b/papi/main.py
index 83013ef..6d320e8 100644
--- a/papi/main.py
+++ b/papi/main.py
@@ -26,4 +26,5 @@ def read_item(item_id: int, q: Optional[str] = None):
 @app.post("/sonde/")
 def post_sonde(sonde: Sonde):
     print(sonde)
+    sondes.append(sonde)
     return