diff --git a/src/blacklist.rs b/src/blacklist.rs
index 59812b5..46a7c8f 100644
--- a/src/blacklist.rs
+++ b/src/blacklist.rs
@@ -41,7 +41,9 @@ pub fn resolve_overlays(ctx: &PathContext) -> Result<BlacklistOverlays, SandboxE
 pub fn resolve_path_context() -> Result<PathContext, SandboxError> {
     let home = std::env::var("HOME").map_err(|_| SandboxError::HomeNotSet)?;
     let run_user = std::env::var("XDG_RUNTIME_DIR")
-        .unwrap_or_else(|_| resolve_run_user_from_proc().unwrap_or_else(|| "/run/user/0".into()));
+        .ok()
+        .or_else(resolve_run_user_from_proc)
+        .unwrap_or_default();
     Ok(PathContext { home, run_user })
 }