diff --git a/packages/yew-macro/src/hook/mod.rs b/packages/yew-macro/src/hook/mod.rs
index d6012883b..e620b020b 100644
--- a/packages/yew-macro/src/hook/mod.rs
+++ b/packages/yew-macro/src/hook/mod.rs
@@ -141,7 +141,7 @@ pub fn hook_impl(hook: HookFn) -> syn::Result<TokenStream> {
         quote! {
             let #boxed_inner_ident = ::std::boxed::Box::new(
                     move |#ctx_ident: &mut ::yew::functional::HookContext| #inner_fn_rt {
-                        #inner_fn_ident #call_generics (#ctx_ident, #(#input_args,)*)
+                        #inner_fn_ident (#ctx_ident, #(#input_args,)*)
                     }
                 ) as #boxed_fn_type;
 
diff --git a/packages/yew-macro/tests/hook_attr/hook-impl-trait-pass.rs b/packages/yew-macro/tests/hook_attr/hook-impl-trait-pass.rs
index bfbcb4624..cd98ff2aa 100644
--- a/packages/yew-macro/tests/hook_attr/hook-impl-trait-pass.rs
+++ b/packages/yew-macro/tests/hook_attr/hook-impl-trait-pass.rs
@@ -6,4 +6,7 @@ fn use_some_string(a: impl ::std::convert::Into<::std::string::String>) -> ::std
     a.into()
 }
 
+#[::yew::prelude::hook]
+fn use_impl_fn<T, U>(_callback: impl ::std::prelude::rust_2021::Fn(&T) -> &U) {}
+
 fn main() {}