diff --git a/crates/dekoder/src/lib.rs b/crates/dekoder/src/lib.rs
index 6d986de63..6ec7c1609 100644
--- a/crates/dekoder/src/lib.rs
+++ b/crates/dekoder/src/lib.rs
@@ -139,8 +139,13 @@ impl EKO {
     }
 
     /// Write content back to an archive and destroy working directory.
-    pub fn close(&self, allow_overwrite: bool) -> Result<()> {
-        self.write(allow_overwrite, true)
+    pub fn close(&self) -> Result<()> {
+        self.write(false, true)
+    }
+
+    /// Write content back to an archive and destroy working directory.
+    pub fn overwrite_and_close(&self) -> Result<()> {
+        self.write(true, true)
     }
 
     /// Write content back to an archive.
diff --git a/crates/dekoder/tests/test_load.rs b/crates/dekoder/tests/test_load.rs
index 560ef9ca9..0998e3a35 100644
--- a/crates/dekoder/tests/test_load.rs
+++ b/crates/dekoder/tests/test_load.rs
@@ -12,6 +12,16 @@ fn v015tar() -> PathBuf {
     src
 }
 
+#[test]
+fn open() {
+    let src = v015tar();
+    let dst = assert_fs::TempDir::new().unwrap();
+    // open
+    let _ = EKO::edit(src.to_owned(), dst.to_owned()).unwrap();
+    let metadata = dst.child("metadata.yaml");
+    metadata.assert(predicate::path::exists());
+}
+
 #[test]
 fn save_as_other() {
     let src = v015tar();
@@ -21,7 +31,7 @@ fn save_as_other() {
     // write to somewhere else
     let tarb = assert_fs::NamedTempFile::new("v0.15b.tar").unwrap();
     eko.set_tar_path(tarb.to_owned());
-    eko.close(true).unwrap();
+    eko.overwrite_and_close().unwrap();
     tarb.assert(predicate::path::exists());
 }
 
@@ -41,7 +51,7 @@ fn has_operator() {
     // it is the one
     assert!(ep.equals(eko.available_operators()[0], 64));
     assert!(eko.has_operator(&ep, 64));
-    eko.close(false).unwrap();
+    eko.close().unwrap();
 }
 
 #[test]
@@ -58,5 +68,5 @@ fn load_operator() {
     let mut op = Operator::zeros();
     eko.load_operator(&ep, 64, &mut op).unwrap();
     assert!(op.op.dim().0 > 0);
-    eko.close(false).unwrap();
+    eko.close().unwrap();
 }