diff --git a/src/apis/emscripten/utils.rs b/src/apis/emscripten/utils.rs
index 3c2d66153..bbb555b9e 100644
--- a/src/apis/emscripten/utils.rs
+++ b/src/apis/emscripten/utils.rs
@@ -36,7 +36,7 @@ pub unsafe fn copy_terminated_array_of_cstrs(instance: &mut Instance, cstrs: *mu
         }
         counter
     };
-    println!("total_num: {}", total_num);
+    debug!("emscripten::copy_terminated_array_of_cstrs::total_num: {}", total_num);
     0
 }