diff --git a/src/resource.rs b/src/resource.rs
index 1209908b3..e3f4852c1 100644
--- a/src/resource.rs
+++ b/src/resource.rs
@@ -169,7 +169,7 @@ impl OpDef {
     pub fn new_with_yaml_types(
         name: SmolStr,
         description: String,
-        args: Vec<TypeParam>,
+        params: Vec<TypeParam>,
         misc: HashMap<String, serde_yaml::Value>,
         inputs: String, // TODO this is likely the wrong type
         outputs: String, // TODO similarly
@@ -179,7 +179,7 @@ impl OpDef {
             resource: Default::default(), // Currently overwritten when OpDef added to Resource
             name,
             description,
-            params: args,
+            params,
             misc,
             signature_func: SignatureFunc::FromYAML { inputs, outputs },
             lower_funcs: Vec::new(),
@@ -190,7 +190,7 @@ impl OpDef {
     pub fn new_with_custom_sig(
         name: SmolStr,
         description: String,
-        args: Vec<TypeParam>,
+        params: Vec<TypeParam>,
         misc: HashMap<String, serde_yaml::Value>,
         sig_func: impl CustomSignatureFunc + 'static,
     ) -> Self {
@@ -198,7 +198,7 @@ impl OpDef {
             resource: Default::default(), // Currently overwritten when OpDef added to Resource
             name,
             description,
-            params: args,
+            params,
             misc,
             signature_func: SignatureFunc::CustomFunc(Box::new(sig_func)),
             lower_funcs: Vec::new(),
diff --git a/src/types/custom.rs b/src/types/custom.rs
index 5317e6a99..fc3a8f89c 100644
--- a/src/types/custom.rs
+++ b/src/types/custom.rs
@@ -22,10 +22,10 @@ pub struct CustomType {
 
 impl CustomType {
     /// Creates a new opaque type.
-    pub fn new(id: impl Into<SmolStr>, params: impl Into<Vec<TypeArg>>) -> Self {
+    pub fn new(id: impl Into<SmolStr>, args: impl Into<Vec<TypeArg>>) -> Self {
         Self {
             id: id.into(),
-            args: params.into(),
+            args: args.into(),
         }
     }