diff --git a/src/microsoft/compiler/dxil_module.c b/src/microsoft/compiler/dxil_module.c
index 6ed223f47aa..f9debf42244 100644
--- a/src/microsoft/compiler/dxil_module.c
+++ b/src/microsoft/compiler/dxil_module.c
@@ -732,7 +732,7 @@ dxil_module_get_split_double_ret_type(struct dxil_module *mod)
    const struct dxil_type *int32_type = dxil_module_get_int_type(mod, 32);
    const struct dxil_type *fields[2] = { int32_type, int32_type };
 
-   return dxil_module_get_struct_type(mod, "dx.types.splitDouble", fields, 2);
+   return dxil_module_get_struct_type(mod, "dx.types.splitdouble", fields, 2);
 }
 
 static const struct dxil_type *