diff --git a/libs/vkd3d-shader/fx.c b/libs/vkd3d-shader/fx.c
index 3547b7d4..4a364421 100644
--- a/libs/vkd3d-shader/fx.c
+++ b/libs/vkd3d-shader/fx.c
@@ -1360,6 +1360,10 @@ static void write_fx_4_annotation(struct hlsl_ir_var *var, struct fx_write_conte
         offset = write_fx_4_default_value(var->data_type, var->default_values, fx);
         put_u32(buffer, offset);
     }
+    else if (type->class == HLSL_CLASS_STRING)
+    {
+        write_fx_4_string_initializer(var, fx);
+    }
     else
     {
         hlsl_fixme(ctx, &var->loc, "Writing annotations for type class %u is not implemented.", type->class);
diff --git a/tests/hlsl/strings.shader_test b/tests/hlsl/strings.shader_test
index 6128ae8c..5cbc384f 100644
--- a/tests/hlsl/strings.shader_test
+++ b/tests/hlsl/strings.shader_test
@@ -110,7 +110,7 @@ float4 main() : sv_target { return 0; }
 shader model >= 5.0
 shader model < 6.0
 
-[effect todo]
+[effect]
 float4 f
 <
     string a = "\nAAA\tBBB\rCCC\fDDD\vEEE\sFFF";