diff --git a/waku-bindings/src/node/relay.rs b/waku-bindings/src/node/relay.rs
index ea88d36..4c0c8a4 100644
--- a/waku-bindings/src/node/relay.rs
+++ b/waku-bindings/src/node/relay.rs
@@ -71,7 +71,7 @@ pub fn waku_create_pubsub_topic(topic_name: &str, encoding: Encoding) -> WakuPub
         res
     };
 
-    let result = unsafe { CString::from_raw(result_ptr) }
+    let result = unsafe { CStr::from_ptr(result_ptr) }
         .to_str()
         .expect("&str from result should always be extracted")
         .parse()