diff --git a/tests/baz/1.0/IBaz.hal b/tests/baz/1.0/IBaz.hal
index a2d961a..40e4024 100644
--- a/tests/baz/1.0/IBaz.hal
+++ b/tests/baz/1.0/IBaz.hal
@@ -40,6 +40,11 @@
         int32_t[3][5] matrix3x5;
     };
 
+    struct NestedStruct {
+        int32_t a;
+        vec<T> matrices;
+    };
+
     @Fragile @NoReally(very="yes", array={"a","b","c"})
     oneway doThis(float param);
 
@@ -64,4 +69,6 @@
     returnABitField() generates (bitfield<BitField> good);
 
     size(uint32_t size) generates (uint32_t size);
+
+    getNestedStructs() generates(vec<NestedStruct> data);
 };