diff --git a/src/tree_store/page_store/header.rs b/src/tree_store/page_store/header.rs
index cd4be9d5..43be2fc4 100644
--- a/src/tree_store/page_store/header.rs
+++ b/src/tree_store/page_store/header.rs
@@ -654,6 +654,7 @@ mod test {
         // IETF Memo "Care and Feeding of Magic Numbers"
 
         // Test that magic number is not valid utf-8
+        #[allow(invalid_from_utf8)]
         assert!(std::str::from_utf8(&MAGICNUMBER).is_err());
         // Test there is a octet with high-bit set
         assert!(MAGICNUMBER.iter().any(|x| *x & 0x80 != 0));