diff --git a/backend/src/app.py b/backend/src/app.py
index a6e8e67..0331aa6 100644
--- a/backend/src/app.py
+++ b/backend/src/app.py
@@ -88,8 +88,8 @@ def join():
     distance = distance_between_coords(
         lhs=room.coord,
         rhs=Coordinates(
-            latitude=int(request.args["lat"]),
-            longitude=int(request.args["lon"]),
+            latitude=float(request.args["lat"]),
+            longitude=float(request.args["lon"]),
         ),
     )
 
@@ -153,7 +153,7 @@ def room_new():
 
     room = Room(
         id=max(state.rooms or [0]) + 1,
-        coord=Coordinates(int(lat), int(lon)),
+        coord=Coordinates(float(lat), float(lon)),
         range_size=int(room_range),
         name=room_name,
         pin=room_pin,
@@ -175,7 +175,7 @@ def room():
     lon = request.args.get("lon")
 
     if lat and lon:
-        user_coords = Coordinates(latitude=int(lat), longitude=int(lon))
+        user_coords = Coordinates(latitude=float(lat), longitude=float(lon))
     else:
         return error("Missing user coordinates")
 
diff --git a/backend/src/gps.py b/backend/src/gps.py
index 4232267..98bda0c 100644
--- a/backend/src/gps.py
+++ b/backend/src/gps.py
@@ -4,8 +4,8 @@ from dataclasses import dataclass
 
 @dataclass
 class Coordinates:
-    latitude: int
-    longitude: int
+    latitude: float
+    longitude: float
 
 
 def distance_between_coords(lhs: Coordinates, rhs: Coordinates) -> float: