diff --git a/crates/ruma-macros/src/api/api_request.rs b/crates/ruma-macros/src/api/api_request.rs
index 42b8e166..91e1c40b 100644
--- a/crates/ruma-macros/src/api/api_request.rs
+++ b/crates/ruma-macros/src/api/api_request.rs
@@ -98,7 +98,7 @@ impl Request {
             )]
             #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
             #[incoming_derive(!Deserialize, #ruma_macros::_FakeDeriveRumaApi)]
-            #[ruma_api(error_ty = #error_ty)]
+            #[ruma_api(error = #error_ty)]
             #( #struct_attributes )*
             pub struct #request_ident < #(#lifetimes),* > {
                 #fields
diff --git a/crates/ruma-macros/src/api/api_response.rs b/crates/ruma-macros/src/api/api_response.rs
index d881aef7..c62d6826 100644
--- a/crates/ruma-macros/src/api/api_response.rs
+++ b/crates/ruma-macros/src/api/api_response.rs
@@ -44,7 +44,7 @@ impl Response {
             )]
             #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
             #[incoming_derive(!Deserialize, #ruma_macros::_FakeDeriveRumaApi)]
-            #[ruma_api(error_ty = #error_ty)]
+            #[ruma_api(error = #error_ty)]
             #( #struct_attributes )*
             pub struct #response_ident {
                 #fields
diff --git a/crates/ruma-macros/src/api/attribute.rs b/crates/ruma-macros/src/api/attribute.rs
index 2b649468..f5cec935 100644
--- a/crates/ruma-macros/src/api/attribute.rs
+++ b/crates/ruma-macros/src/api/attribute.rs
@@ -12,7 +12,7 @@ mod kw {
     syn::custom_keyword!(query);
     syn::custom_keyword!(query_map);
     syn::custom_keyword!(header);
-    syn::custom_keyword!(error_ty);
+    syn::custom_keyword!(error);
     syn::custom_keyword!(manual_body_serde);
 }
 
@@ -54,16 +54,16 @@ impl Parse for RequestMeta {
 }
 
 pub enum DeriveRequestMeta {
-    ErrorTy(Type),
+    Error(Type),
 }
 
 impl Parse for DeriveRequestMeta {
     fn parse(input: ParseStream<'_>) -> syn::Result<Self> {
         let lookahead = input.lookahead1();
-        if lookahead.peek(kw::error_ty) {
-            let _: kw::error_ty = input.parse()?;
+        if lookahead.peek(kw::error) {
+            let _: kw::error = input.parse()?;
             let _: Token![=] = input.parse()?;
-            input.parse().map(Self::ErrorTy)
+            input.parse().map(Self::Error)
         } else {
             Err(lookahead.error())
         }
@@ -98,7 +98,7 @@ impl Parse for ResponseMeta {
 #[allow(clippy::large_enum_variant)]
 pub enum DeriveResponseMeta {
     ManualBodySerde,
-    ErrorTy(Type),
+    Error(Type),
 }
 
 impl Parse for DeriveResponseMeta {
@@ -107,10 +107,10 @@ impl Parse for DeriveResponseMeta {
         if lookahead.peek(kw::manual_body_serde) {
             let _: kw::manual_body_serde = input.parse()?;
             Ok(Self::ManualBodySerde)
-        } else if lookahead.peek(kw::error_ty) {
-            let _: kw::error_ty = input.parse()?;
+        } else if lookahead.peek(kw::error) {
+            let _: kw::error = input.parse()?;
             let _: Token![=] = input.parse()?;
-            input.parse().map(Self::ErrorTy)
+            input.parse().map(Self::Error)
         } else {
             Err(lookahead.error())
         }
diff --git a/crates/ruma-macros/src/api/request.rs b/crates/ruma-macros/src/api/request.rs
index c90a409f..76c5447e 100644
--- a/crates/ruma-macros/src/api/request.rs
+++ b/crates/ruma-macros/src/api/request.rs
@@ -55,7 +55,7 @@ pub fn expand_derive_request(input: DeriveInput) -> syn::Result<TokenStream> {
             attr.parse_args_with(Punctuated::<DeriveRequestMeta, Token![,]>::parse_terminated)?;
         for meta in metas {
             match meta {
-                DeriveRequestMeta::ErrorTy(t) => error_ty = Some(t),
+                DeriveRequestMeta::Error(t) => error_ty = Some(t),
             }
         }
     }
diff --git a/crates/ruma-macros/src/api/response.rs b/crates/ruma-macros/src/api/response.rs
index 01eeb5fb..f96d3831 100644
--- a/crates/ruma-macros/src/api/response.rs
+++ b/crates/ruma-macros/src/api/response.rs
@@ -34,7 +34,7 @@ pub fn expand_derive_response(input: DeriveInput) -> syn::Result<TokenStream> {
         for meta in metas {
             match meta {
                 DeriveResponseMeta::ManualBodySerde => manual_body_serde = true,
-                DeriveResponseMeta::ErrorTy(t) => error_ty = Some(t),
+                DeriveResponseMeta::Error(t) => error_ty = Some(t),
             }
         }
     }