diff --git a/derive/src/lib.rs b/derive/src/lib.rs
index b4048ec83..8f15f0e87 100644
--- a/derive/src/lib.rs
+++ b/derive/src/lib.rs
@@ -23,11 +23,11 @@ enum ParameterKind {
 
 impl ParameterKind {
     fn from_ident(ident: &Ident) -> ParameterKind {
-        if ident == "positional" {
+        if ident == "positional_only" {
             ParameterKind::PositionalOnly
-        } else if ident == "positional_keyword" {
+        } else if ident == "positional_or_keyword" {
             ParameterKind::PositionalOrKeyword
-        } else if ident == "keyword" {
+        } else if ident == "keyword_only" {
             ParameterKind::KeywordOnly
         } else {
             panic!("Unrecognised attribute")
diff --git a/vm/src/builtins.rs b/vm/src/builtins.rs
index 3a695c517..ed656c0fb 100644
--- a/vm/src/builtins.rs
+++ b/vm/src/builtins.rs
@@ -537,11 +537,11 @@ fn builtin_pow(vm: &VirtualMachine, args: PyFuncArgs) -> PyResult {
 
 #[derive(Debug, FromArgs)]
 pub struct PrintOptions {
-    #[pyarg(keyword, default = "None")]
+    #[pyarg(keyword_only, default = "None")]
     sep: Option<PyStringRef>,
-    #[pyarg(keyword, default = "None")]
+    #[pyarg(keyword_only, default = "None")]
     end: Option<PyStringRef>,
-    #[pyarg(keyword, default = "false")]
+    #[pyarg(keyword_only, default = "false")]
     flush: bool,
 }
 
diff --git a/vm/src/obj/objint.rs b/vm/src/obj/objint.rs
index 0fad52907..08175dc07 100644
--- a/vm/src/obj/objint.rs
+++ b/vm/src/obj/objint.rs
@@ -374,9 +374,9 @@ impl PyIntRef {
 
 #[derive(FromArgs)]
 struct IntOptions {
-    #[pyarg(positional, optional = true)]
+    #[pyarg(positional_only, optional = true)]
     val_options: OptionalArg<PyObjectRef>,
-    #[pyarg(positional_keyword, optional = true)]
+    #[pyarg(positional_or_keyword, optional = true)]
     base: OptionalArg<u32>,
 }