Add missing typename in array store header file.

1 files changed, 1 insertions, 1 deletions

diff --git a/vespalib/src/vespa/vespalib/datastore/array_store.h b/vespalib/src/vespa/vespalib/datastore/array_store.h
index 4a40c94766a..31b06b1f869 100644
--- a/vespalib/src/vespa/vespalib/datastore/array_store.h
+++ b/vespalib/src/vespa/vespalib/datastore/array_store.h
@@ -71,7 +71,7 @@ public:
     };
 
     static constexpr bool has_dynamic_buffer_type = check_dynamic_buffer_type_member<TypeMapper>::value;
-    using DynamicBufferTypeVector = check_dynamic_buffer_type_member<TypeMapper>::vector_type;
+    using DynamicBufferTypeVector = typename check_dynamic_buffer_type_member<TypeMapper>::vector_type;
 private:
     uint32_t                     _largeArrayTypeId;
     uint32_t                     _maxSmallArrayTypeId;