diff --git a/src/storage/compression/compression.cpp b/src/storage/compression/compression.cpp
index 83e32e40da3..accd84c85e8 100644
--- a/src/storage/compression/compression.cpp
+++ b/src/storage/compression/compression.cpp
@@ -102,7 +102,7 @@ size_t CompressionMetadata::serializedSizeBytes(common::PhysicalTypeID internalD
     for (const auto& childType : getChildTypes(internalDataType)) {
         sizeToWrite += serializedSizeBytes(childType);
     }
-    return sizeToWrite;
+    return sizeToWrite + (8 - sizeToWrite % 8) % 8;
 }
 
 std::vector<std::byte> CompressionMetadata::serializeToBytes(