diff --git a/bindings/javascript/src/lib.rs b/bindings/javascript/src/lib.rs
index 5c06766cb..d55da2e61 100644
--- a/bindings/javascript/src/lib.rs
+++ b/bindings/javascript/src/lib.rs
@@ -530,7 +530,12 @@ impl turso_core::DatabaseStorage for DatabaseFile {
         let c = self.file.truncate(len, c)?;
         Ok(c)
     }
-    fn copy_to(&self, io: &dyn turso_core::IO, path: &str) -> turso_core::Result<()> {
-        self.file.copy_to(io, path)
+    fn copy_to(
+        &self,
+        src_io: &dyn turso_core::IO,
+        dest_io: &dyn turso_core::IO,
+        path: &str,
+    ) -> turso_core::Result<()> {
+        self.file.copy_to(src_io, dest_io, path)
     }
 }
diff --git a/core/storage/database.rs b/core/storage/database.rs
index ddcf39827..97098c4aa 100644
--- a/core/storage/database.rs
+++ b/core/storage/database.rs
@@ -23,7 +23,7 @@ pub trait DatabaseStorage: Send + Sync {
     fn sync(&self, c: Completion) -> Result<Completion>;
     fn size(&self) -> Result<u64>;
     fn truncate(&self, len: usize, c: Completion) -> Result<Completion>;
-    fn copy_to(&self, io: &dyn crate::IO, path: &str) -> Result<()>;
+    fn copy_to(&self, src_io: &dyn crate::IO, dest_io: &dyn crate::IO, path: &str) -> Result<()>;
 }
 
 #[cfg(feature = "fs")]
@@ -103,8 +103,8 @@ impl DatabaseStorage for DatabaseFile {
     }
 
     #[instrument(skip_all, level = Level::INFO)]
-    fn copy_to(&self, io: &dyn crate::IO, path: &str) -> Result<()> {
-        self.file.copy_to(io, path)
+    fn copy_to(&self, src_io: &dyn crate::IO, dest_io: &dyn crate::IO, path: &str) -> Result<()> {
+        self.file.copy_to(src_io, dest_io, path)
     }
 }