diff --git a/src/mount/mod.rs b/src/mount/mod.rs
index c8fcdfc..c045f82 100644
--- a/src/mount/mod.rs
+++ b/src/mount/mod.rs
@@ -200,7 +200,21 @@ fn cleanup_side_credentials(
         }
         MountKind::WebDav => {
             let source = match side {
-                Side::Local => target::local_source(&pair.local, settings),
+                Side::Local => match target::local_source(&pair.local, settings) {
+                    Ok(s) => s,
+                    Err(e) => {
+                        logger_ctdra::warn(
+                            "mount",
+                            &format!(
+                                "Could not resolve local source for pair '{}' to clean up its \
+                                 davfs2 secrets entry: {e} - a stale plaintext credential may \
+                                 remain on disk",
+                                pair.id
+                            ),
+                        );
+                        return;
+                    }
+                },
                 Side::Cloud => target::cloud_source(&pair.cloud),
             };
             let path = webdav::davfs2_secrets_path();