diff --git a/src/Columns/ColumnDecimal.h b/src/Columns/ColumnDecimal.h
index 1939d87e357..1f96ab00647 100644
--- a/src/Columns/ColumnDecimal.h
+++ b/src/Columns/ColumnDecimal.h
@@ -127,7 +127,9 @@ public:
 
     bool isNumeric() const override { return false; }
     bool canBeInsideNullable() const override { return true; }
-    bool isFixedAndContiguous() const override { return true; }
+
+    bool isFixedAndContiguous() const final { return is_POD; }
+
     size_t sizeOfValueIfFixed() const override { return sizeof(T); }
 
     size_t size() const override { return data.size(); }