diff --git a/Framework/Core/include/Framework/ASoA.h b/Framework/Core/include/Framework/ASoA.h
index 4f1ef6bdeda57..9423eca52c007 100644
--- a/Framework/Core/include/Framework/ASoA.h
+++ b/Framework/Core/include/Framework/ASoA.h
@@ -506,13 +506,7 @@ class ColumnIterator : ChunkingPolicy
   /// it. This means that a ColumnIterator is actually only available
   /// as part of a RowView.
   ColumnIterator(arrow::ChunkedArray const* column)
-    : mColumn{column},
-      mCurrent{nullptr},
-      mCurrentPos{nullptr},
-      mGlobalOffset{nullptr},
-      mLast{nullptr},
-      mFirstIndex{0},
-      mCurrentChunk{0}
+    : mColumn{column}
   {
     auto array = getCurrentArray();
     mCurrent = reinterpret_cast<unwrap_t<T> const*>(array->values()->data());
@@ -609,13 +603,13 @@ class ColumnIterator : ChunkingPolicy
     return *this;
   }
 
-  mutable unwrap_t<T> const* mCurrent;
-  int64_t const* mCurrentPos;
-  uint64_t const* mGlobalOffset;
-  mutable unwrap_t<T> const* mLast;
-  arrow::ChunkedArray const* mColumn;
-  mutable int mFirstIndex;
-  mutable int mCurrentChunk;
+  mutable unwrap_t<T> const* mCurrent{nullptr};
+  int64_t const* mCurrentPos{nullptr};
+  uint64_t const* mGlobalOffset{nullptr};
+  mutable unwrap_t<T> const* mLast{nullptr};
+  arrow::ChunkedArray const* mColumn{nullptr};
+  mutable int mFirstIndex{0};
+  mutable int mCurrentChunk{0};
 
  private:
   void checkSkipChunk() const