diff --git a/tonic-build/src/prost.rs b/tonic-build/src/prost.rs
index 7cfb6ad08..6bf3847b2 100644
--- a/tonic-build/src/prost.rs
+++ b/tonic-build/src/prost.rs
@@ -172,7 +172,7 @@ impl crate::Method for TonicBuildMethod {
         let convert_type = |proto_type: &str, rust_type: &str| -> TokenStream {
             if (is_google_type(proto_type) && !compile_well_known_types)
                 || rust_type.starts_with("::")
-                || NON_PATH_TYPE_ALLOWLIST.iter().any(|ty| *ty == rust_type)
+                || NON_PATH_TYPE_ALLOWLIST.contains(&rust_type)
             {
                 rust_type.parse::<TokenStream>().unwrap()
             } else if rust_type.starts_with("crate::") {