diff --git a/umu/umu_dl_util.py b/umu/umu_dl_util.py
index ae9c131f..97cd2565 100644
--- a/umu/umu_dl_util.py
+++ b/umu/umu_dl_util.py
@@ -38,7 +38,7 @@ def get_umu_proton(env: Dict[str, str]) -> Union[Dict[str, str]]:
         log.debug("Sending request to api.github.com")
         files = _fetch_releases()
     except gaierror:
-        pass  # User is offline
+        log.debug("Network is unreachable")
 
     # Download the latest Proton
     if _get_latest(env, STEAM_COMPAT, tmp, files):
diff --git a/umu/umu_run.py b/umu/umu_run.py
index c53cd499..baf6d292 100755
--- a/umu/umu_run.py
+++ b/umu/umu_run.py
@@ -350,7 +350,7 @@ def main() -> int:  # noqa: D103
 
     # Run
     build_command(env, UMU_LOCAL, command, opts)
-    log.debug(command)
+    log.debug("%s", command)
 
     return run(command).returncode