diff --git a/test/tint/builtins/modf/scalar/mixed.wgsl.expected.dxc.hlsl b/test/tint/builtins/modf/scalar/mixed.wgsl.expected.dxc.hlsl
index bc03526..852de4c 100644
--- a/test/tint/builtins/modf/scalar/mixed.wgsl.expected.dxc.hlsl
+++ b/test/tint/builtins/modf/scalar/mixed.wgsl.expected.dxc.hlsl
@@ -1,9 +1,9 @@
-struct modf_result {
+struct modf_result_f32 {
   float fract;
   float whole;
 };
-modf_result tint_modf(float param_0) {
-  modf_result result;
+modf_result_f32 tint_modf(float param_0) {
+  modf_result_f32 result;
   result.fract = modf(param_0, result.whole);
   return result;
 }
@@ -11,9 +11,9 @@
 [numthreads(1, 1, 1)]
 void main() {
   const float runtime_in = 1.25f;
-  modf_result res = {0.25f, 1.0f};
+  modf_result_f32 res = {0.25f, 1.0f};
   res = tint_modf(runtime_in);
-  const modf_result c = {0.25f, 1.0f};
+  const modf_result_f32 c = {0.25f, 1.0f};
   res = c;
   const float fract = res.fract;
   const float whole = res.whole;