diff --git a/core/src/usb.py b/core/src/usb.py
index fef89f3d7..c08b6fcc6 100644
--- a/core/src/usb.py
+++ b/core/src/usb.py
@@ -19,7 +19,7 @@ _WEBAUTHN_PORT_OFFSET = const(2)
 _VCP_PORT_OFFSET = const(3)
 
 if utils.EMULATOR:
-    import uos
+    import uos  # pyright: ignore[reportMissingModuleSource]
 
     UDP_PORT = int(uos.getenv("TREZOR_UDP_PORT") or "21324")