diff --git a/luna/include/luna/OwnedStringView.h b/luna/include/luna/OwnedStringView.h
index 4dd59332..50e208b3 100644
--- a/luna/include/luna/OwnedStringView.h
+++ b/luna/include/luna/OwnedStringView.h
@@ -9,14 +9,14 @@ class OwnedStringView
     OwnedStringView(const OwnedStringView&) = delete;
     ~OwnedStringView();
 
-    Result<OwnedStringView> clone();
+    Result<OwnedStringView> clone() const;
 
-    const char* chars()
+    const char* chars() const
     {
         return m_string;
     }
 
-    usize length()
+    usize length() const
     {
         return m_length;
     }
diff --git a/luna/src/OwnedStringView.cpp b/luna/src/OwnedStringView.cpp
index d81a30cf..1bf1b4ec 100644
--- a/luna/src/OwnedStringView.cpp
+++ b/luna/src/OwnedStringView.cpp
@@ -26,7 +26,7 @@ OwnedStringView::~OwnedStringView()
     if (m_string) destroy_array(m_string);
 }
 
-Result<OwnedStringView> OwnedStringView::clone()
+Result<OwnedStringView> OwnedStringView::clone() const
 {
     char* buf = TRY(make_array<char>(m_length + 1));