diff --git a/src/main.rs b/src/main.rs
index d7b14c5..7107908 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -88,7 +88,7 @@ async fn main() -> Result<ExitCode> {
 
             for cache_dir in config.work_dir.read_dir().into_diagnostic()? {
                 let cache_dir = cache_dir.into_diagnostic()?;
-                if let Some(id) = cache_dir.file_name().to_str() {
+                if let Some(id) = cache_dir.file_name().to_str() && id.starts_with("haze-") {
                     if !retain.iter().any(|cloud| cloud.id == id) {
                         let path = cache_dir.path();
                         // By default, the worktrees live within the work dir, we do not want to delete it here.