diff --git a/build.rs b/build.rs
index dda0850e..a994ef69 100644
--- a/build.rs
+++ b/build.rs
@@ -18,7 +18,7 @@ fn main() {
 
         let seed = env::var("RHAI_AHASH_SEED").map_or_else(|_| "None".into(), |s| format!("Some({s})"));
 
-        contents = contents.replace("{{AHASH_SEED}}", &seed);
+        contents = contents.replace("{{ AHASH_SEED }}", &seed);
 
         File::create("src/config/hashing.rs")
             .expect("cannot create `config.rs`")
diff --git a/src/config/hashing.rs b/src/config/hashing.rs
index 709a3f65..19423149 100644
--- a/src/config/hashing.rs
+++ b/src/config/hashing.rs
@@ -117,7 +117,7 @@ mod internal {
 
 #[cfg(not(feature = "static_hash"))]
 mod internal {
-    const AHASH_SEED: Option<[u64; 4]> = {{ AHASH_SEED }};
+    const AHASH_SEED: Option<[u64; 4]> = None;
 
     /// Gets the current Rhai Ahash Seed. If the seed is not yet defined, this will automatically set a seed.
     /// The default seed is not stable and may change between versions.