diff --git a/srcgen/dotUtils.js b/srcgen/dotUtils.js
index c05e9e8..579136f 100644
--- a/srcgen/dotUtils.js
+++ b/srcgen/dotUtils.js
@@ -127,10 +127,10 @@ function formatQueryParamStringify(name, prop, useOwned = false) {
 }
 
 function formatAddQueryParam(param) {
-  let k = `"${param.name}"`;
-  let name = changeCase.snakeCase(param.name);
-  let nc = param.required ? '' : `if let Some(${name}) = ${name} `;
-  let prop = param.schema;
+  const k = `"${param.name}"`;
+  const name = normalizePropName(param.name);
+  const nc = param.required ? '' : `if let Some(${name}) = ${name} `;
+  const prop = param.schema;
   switch (prop.type) {
     case 'array': return `${nc}{ query_params.extend_pairs(${name}.iter()`
       + `.map(|w| (${k}, ${formatQueryParamStringify("w", prop.items, true)}))); }`;
diff --git a/srcgen/endpoints.rs.dt b/srcgen/endpoints.rs.dt
index cd8b24f..4c9af93 100644
--- a/srcgen/endpoints.rs.dt
+++ b/srcgen/endpoints.rs.dt
@@ -108,7 +108,7 @@ impl<'a> {{= endpoint }}<'a> {
                     let required = paramList === pathParams;
                     for (let param of paramList)
                     {
-                        argBuilder.push(', ', dotUtils.changeCase.snakeCase(param.name), ': ',
+                        argBuilder.push(', ', dotUtils.normalizePropName(param.name), ': ',
                             dotUtils.stringifyType(param.schema, { endpoint, optional: !required, owned: false }));
                     }
                 }