diff --git a/src/fsfw/cfdp/pdu/VarLenField.cpp b/src/fsfw/cfdp/pdu/VarLenField.cpp
index cb72735e..7713ed11 100644
--- a/src/fsfw/cfdp/pdu/VarLenField.cpp
+++ b/src/fsfw/cfdp/pdu/VarLenField.cpp
@@ -21,27 +21,27 @@ cfdp::VarLenField::VarLenField() : width(cfdp::WidthInBytes::ONE_BYTE) { value.o
 
 cfdp::WidthInBytes cfdp::VarLenField::getWidth() const { return width; }
 
-ReturnValue_t cfdp::VarLenField::setValue(cfdp::WidthInBytes widthInBytes, size_t value) {
+ReturnValue_t cfdp::VarLenField::setValue(cfdp::WidthInBytes widthInBytes, size_t value_) {
   switch (widthInBytes) {
     case (cfdp::WidthInBytes::ONE_BYTE): {
-      if (value > UINT8_MAX) {
+      if (value_ > UINT8_MAX) {
         return HasReturnvaluesIF::RETURN_FAILED;
       }
-      this->value.oneByte = value;
+      this->value.oneByte = value_;
       break;
     }
     case (cfdp::WidthInBytes::TWO_BYTES): {
-      if (value > UINT16_MAX) {
+      if (value_ > UINT16_MAX) {
         return HasReturnvaluesIF::RETURN_FAILED;
       }
-      this->value.twoBytes = value;
+      this->value.twoBytes = value_;
       break;
     }
     case (cfdp::WidthInBytes::FOUR_BYTES): {
-      if (value > UINT32_MAX) {
+      if (value_ > UINT32_MAX) {
         return HasReturnvaluesIF::RETURN_FAILED;
       }
-      this->value.fourBytes = value;
+      this->value.fourBytes = value_;
       break;
     }
     default: {
@@ -93,9 +93,9 @@ ReturnValue_t cfdp::VarLenField::serialize(uint8_t **buffer, size_t *size, size_
 
 size_t cfdp::VarLenField::getSerializedSize() const { return width; }
 
-ReturnValue_t cfdp::VarLenField::deSerialize(cfdp::WidthInBytes width, const uint8_t **buffer,
+ReturnValue_t cfdp::VarLenField::deSerialize(cfdp::WidthInBytes width_, const uint8_t **buffer,
                                              size_t *size, Endianness streamEndianness) {
-  this->width = width;
+  this->width = width_;
   return deSerialize(buffer, size, streamEndianness);
 }
 
@@ -118,10 +118,3 @@ ReturnValue_t cfdp::VarLenField::deSerialize(const uint8_t **buffer, size_t *siz
     }
   }
 }
-
-template <typename T>
-cfdp::VarLenField::VarLenField(UnsignedByteField<T> byteField)
-    : width(static_cast<WidthInBytes>(sizeof(T))) {
-  static_assert((sizeof(T) % 2) == 0);
-  value = byteField.getValue();
-}
diff --git a/src/fsfw/cfdp/pdu/VarLenField.h b/src/fsfw/cfdp/pdu/VarLenField.h
index 3b7ccc5a..dfc6b195 100644
--- a/src/fsfw/cfdp/pdu/VarLenField.h
+++ b/src/fsfw/cfdp/pdu/VarLenField.h
@@ -41,9 +41,16 @@ class VarLenField : public SerializeIF {
                             Endianness streamEndianness) override;
 
   cfdp::WidthInBytes width;
-  LengthFieldLen value;
+  LengthFieldLen value{};
 };
 
+template <typename T>
+cfdp::VarLenField::VarLenField(UnsignedByteField<T> byteField)
+    : width(static_cast<WidthInBytes>(sizeof(T))) {
+  static_assert((sizeof(T) % 2) == 0);
+  setValue(width, byteField.getValue());
+}
+
 }  // namespace cfdp
 
 #endif /* FSFW_SRC_FSFW_CFDP_PDU_VARLENFIELD_H_ */
diff --git a/unittests/cfdp/testCfdp.cpp b/unittests/cfdp/testCfdp.cpp
index 8cfdbca4..475322a2 100644
--- a/unittests/cfdp/testCfdp.cpp
+++ b/unittests/cfdp/testCfdp.cpp
@@ -75,7 +75,7 @@ TEST_CASE("CFDP Base", "[cfdp]") {
     REQUIRE(fdDeser.parseData() == cfdp::INVALID_DIRECTIVE_FIELDS);
   }
 
-  SECTION("FileSize") {
+  SECTION("File Size") {
     std::array<uint8_t, 8> fssBuf = {};
     uint8_t* buffer = fssBuf.data();
     size_t size = 0;
@@ -90,4 +90,16 @@ TEST_CASE("CFDP Base", "[cfdp]") {
     REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
     REQUIRE(fileSize == 0x20);
   }
+
+  SECTION("Var Length Field") {
+    VarLenField defaultField;
+    CHECK(defaultField.getValue() == 0);
+    CHECK(defaultField.getWidth() == WidthInBytes::ONE_BYTE);
+    VarLenField explicitField(WidthInBytes::FOUR_BYTES, 12);
+    CHECK(explicitField.getWidth() == WidthInBytes::FOUR_BYTES);
+    CHECK(explicitField.getValue() == 12);
+    VarLenField fromUnsignedByteField(UnsignedByteField<uint16_t>(12));
+    CHECK(fromUnsignedByteField.getWidth() == WidthInBytes::TWO_BYTES);
+    CHECK(fromUnsignedByteField.getValue() == 12);
+  }
 }