diff --git a/crates/common/src/compile.rs b/crates/common/src/compile.rs
index d504e1688e64..1af4d5db6d4c 100644
--- a/crates/common/src/compile.rs
+++ b/crates/common/src/compile.rs
@@ -382,7 +382,7 @@ fn contract_size<T: Artifact>(artifact: &T, initcode: bool) -> Option<usize> {
         BytecodeObject::Unlinked(unlinked) => {
             // we don't need to account for placeholders here, because library placeholders take up
             // 40 characters: `__$<library hash>$__` which is the same as a 20byte address in hex.
-            let mut size = unlinked.as_bytes().len();
+            let mut size = unlinked.len();
             if unlinked.starts_with("0x") {
                 size -= 2;
             }