diff --git a/src/libfuncs/dup.rs b/src/libfuncs/dup.rs
index 0ed571bec..728433c3f 100644
--- a/src/libfuncs/dup.rs
+++ b/src/libfuncs/dup.rs
@@ -42,6 +42,16 @@ pub fn build<'ctx, 'this>(
     {
         Some(clone_fn) => {
             let original_value = entry.argument(0)?.into();
+            metadata
+                .get_mut::<crate::metadata::debug_utils::DebugUtils>()
+                .unwrap()
+                .debug_print(
+                    context,
+                    helper,
+                    entry,
+                    &format!("cloning {}", info.signature.param_signatures[0].ty),
+                    location,
+                )?;
             let (entry, cloned_value) = clone_fn(
                 context,
                 registry,