diff --git a/src/picam/picam.py b/src/picam/picam.py
index 4672efb..db78a5f 100644
--- a/src/picam/picam.py
+++ b/src/picam/picam.py
@@ -2,8 +2,8 @@ from utils.utils import round_resolution
 
 class PiCam:
     def __init__(self, config: dict):
-        self.capture_resolution = config["capture_resolution"]
-        self.preview_resolution = config["preview_resolution"]
+        self.capture_resolution = round_resolution(config["capture_resolution"])
+        self.preview_resolution = round_resolution(config["preview_resolution"])
 
     def set_capture_resolution(self, resolution: "tuple[int, int]") -> None:
         """Set capture resolution for camera