diff --git a/src/dobj/public/Metadata.h b/src/dobj/public/Metadata.h
index 5811fc5..11696ad 100644
--- a/src/dobj/public/Metadata.h
+++ b/src/dobj/public/Metadata.h
@@ -103,7 +103,7 @@ public:
     friend std::ostream& operator<<(std::ostream& os, const Metadata& metadata);
 
 private:
-    std::size_t byteSize_ = 0;                      ///< Total size of the data in bytes.
+    int byteSize_ = 0;                      ///< Total size of the data in bytes.
     std::string dataType_;                          ///< Type of the data (e.g., "float", "double").
     std::vector<std::size_t> dimensions_;           ///< Dimensions of the data (e.g., {3, 4} for a 3x4 matrix).
     bool debugFlag_ = false;                        ///< Indicates whether debugging is enabled.
diff --git a/tests/dobj/MetadataTest.cpp b/tests/dobj/MetadataTest.cpp
index 7e5936f..d770a68 100644
--- a/tests/dobj/MetadataTest.cpp
+++ b/tests/dobj/MetadataTest.cpp
@@ -27,7 +27,9 @@ protected:
 TEST_F(MetadataTest, DefaultConstructor) {
     Metadata metadata;
 
-    EXPECT_EQ(metadata.getByteSize(), 0);
+    int expectedByteSize = 0;
+
+    EXPECT_EQ(metadata.getByteSize(), expectedByteSize);
     EXPECT_EQ(metadata.getDataType(), "");
     EXPECT_TRUE(metadata.getDimensions().empty());
     EXPECT_FALSE(metadata.isDebugEnabled());
@@ -40,7 +42,8 @@ TEST_F(MetadataTest, ParameterizedConstructor) {
     std::vector<std::size_t> dimensions = {3, 4, 5};
     Metadata metadata(120, "float", dimensions, true);
 
-    EXPECT_EQ(metadata.getByteSize(), 120);
+    int expectedByteSize = 120;
+    EXPECT_EQ(metadata.getByteSize(), expectedByteSize);
     EXPECT_EQ(metadata.getDataType(), "float");
     EXPECT_EQ(metadata.getDimensions(), dimensions);
     EXPECT_TRUE(metadata.isDebugEnabled());