diff --git a/include/fixed_containers/fixed_vector.hpp b/include/fixed_containers/fixed_vector.hpp
index ab6730f3..69a7423c 100644
--- a/include/fixed_containers/fixed_vector.hpp
+++ b/include/fixed_containers/fixed_vector.hpp
@@ -158,7 +158,7 @@ class FixedVectorBase
 public:
     constexpr FixedVectorBase() noexcept
       : IMPLEMENTATION_DETAIL_DO_NOT_USE_size_{0}
-    // Don't initialize the array
+      , IMPLEMENTATION_DETAIL_DO_NOT_USE_array_{}
     {
         // A constexpr context requires everything to be initialized.
         // The OptionalStorage wrapper takes care of that, but for unwrapped objects