diff --git a/spec-trait-impl/crates/spec-trait-utils/src/impls.rs b/spec-trait-impl/crates/spec-trait-utils/src/impls.rs
index 404787e..2b200a9 100644
--- a/spec-trait-impl/crates/spec-trait-utils/src/impls.rs
+++ b/spec-trait-impl/crates/spec-trait-utils/src/impls.rs
@@ -119,7 +119,7 @@ impl ImplBody {
             Some(c) => format!(
                 "{}_{}_{}",
                 self.trait_name,
-                to_hash(&self.type_name),
+                to_hash(&self.type_name.replace(" ", "")),
                 to_hash(c)
             ),
             None => self.trait_name.to_owned(),