diff --git a/src/fsfw/cfdp/handler/ReservedMessageParser.cpp b/src/fsfw/cfdp/handler/ReservedMessageParser.cpp
index 93254483..4f3785f4 100644
--- a/src/fsfw/cfdp/handler/ReservedMessageParser.cpp
+++ b/src/fsfw/cfdp/handler/ReservedMessageParser.cpp
@@ -28,7 +28,7 @@ ReturnValue_t cfdp::ReservedMessageParser::parse(const uint8_t* msgsToUserPtr,
       return result;
     }
     uint8_t messageType = 0;
-    if (tlv.isReservedCfdpMessage(messageType)) {
+    if (tlv.isReservedCfdpMessage(messageType, &currentPtr, deserSize)) {
       if (messageType == static_cast<uint8_t>(ProxyOpMessageType::PUT_REQUEST)) {
         cfdp::Lv entityIdLv;
         result = entityIdLv.deSerialize(&currentPtr, &deserSize, SerializeIF::Endianness::NETWORK);
diff --git a/src/fsfw/cfdp/tlv/Lv.cpp b/src/fsfw/cfdp/tlv/Lv.cpp
index e7fa414a..215b9b3b 100644
--- a/src/fsfw/cfdp/tlv/Lv.cpp
+++ b/src/fsfw/cfdp/tlv/Lv.cpp
@@ -49,10 +49,8 @@ ReturnValue_t cfdp::Lv::serialize(uint8_t** buffer, size_t* size, size_t maxSize
 }
 
 size_t cfdp::Lv::getSerializedSize() const {
-  if (zeroLen) {
+  if (zeroLen or value.getConstBuffer() == nullptr) {
     return 1;
-  } else if (value.getConstBuffer() == nullptr) {
-    return 0;
   }
   return value.getSerializedSize();
 }
@@ -85,7 +83,7 @@ ReturnValue_t cfdp::Lv::deSerialize(const uint8_t** buffer, size_t* size,
 const uint8_t* cfdp::Lv::getValue(size_t* size) const {
   if (size != nullptr) {
     // Length without length field
-    *size = value.getSerializedSize() - 1;
+    *size = getSerializedSize() - 1;
   }
   return value.getConstBuffer();
 }
diff --git a/src/fsfw/cfdp/tlv/MessageToUserTlv.cpp b/src/fsfw/cfdp/tlv/MessageToUserTlv.cpp
index ef3ae8f2..eaf17b67 100644
--- a/src/fsfw/cfdp/tlv/MessageToUserTlv.cpp
+++ b/src/fsfw/cfdp/tlv/MessageToUserTlv.cpp
@@ -11,12 +11,17 @@ MessageToUserTlv::MessageToUserTlv(const std::vector<uint8_t>& data)
 MessageToUserTlv::MessageToUserTlv(const uint8_t* value, size_t size)
     : Tlv(cfdp::TlvType::MSG_TO_USER, value, size) {}
 
-bool MessageToUserTlv::isReservedCfdpMessage(uint8_t& messageType) const {
+bool MessageToUserTlv::isReservedCfdpMessage(uint8_t& messageType, const uint8_t** msgDataStart,
+                                             size_t& msgLen) const {
   if (cfdp::Tlv::getLengthField() < 5) {
     return false;
   }
   if (std::strcmp(reinterpret_cast<const char*>(getValue()), "cfdp") == 0) {
     messageType = getValue()[4];
+    if (msgDataStart != nullptr) {
+      *msgDataStart = getValue() + 5;
+    }
+    msgLen = cfdp::Tlv::getSerializedSize() - 5;
     return true;
   }
   return false;
diff --git a/src/fsfw/cfdp/tlv/MessageToUserTlv.h b/src/fsfw/cfdp/tlv/MessageToUserTlv.h
index 64b80d61..7018a386 100644
--- a/src/fsfw/cfdp/tlv/MessageToUserTlv.h
+++ b/src/fsfw/cfdp/tlv/MessageToUserTlv.h
@@ -12,7 +12,8 @@ class MessageToUserTlv : public cfdp::Tlv {
   MessageToUserTlv(const uint8_t* value, size_t size);
   explicit MessageToUserTlv(const std::vector<uint8_t>& data);
 
-  bool isReservedCfdpMessage(uint8_t& messageType) const;
+  bool isReservedCfdpMessage(uint8_t& messageType, const uint8_t** msgDataStart,
+                             size_t& msgLen) const;
 
  private:
 };
diff --git a/src/fsfw/objectmanager/ObjectManager.cpp b/src/fsfw/objectmanager/ObjectManager.cpp
index 2193d3a5..f2b45d59 100644
--- a/src/fsfw/objectmanager/ObjectManager.cpp
+++ b/src/fsfw/objectmanager/ObjectManager.cpp
@@ -116,8 +116,8 @@ void ObjectManager::initialize() {
                  << std::dec << std::setfill(' ') << std::endl;
 #else
       sif::printError(
-          "ObjectManager::initialize: Object 0x%08x failed to initialize with code 0x%04x\n", var,
-          it.first);
+          "ObjectManager::initialize: Object 0x%08x failed to initialize with code 0x%04x\n",
+          it.first, result);
 #endif
 #endif
       errorCount++;
diff --git a/unittests/cfdp/handler/testReservedMsgParser.cpp b/unittests/cfdp/handler/testReservedMsgParser.cpp
index 035cef5f..e7f8da8b 100644
--- a/unittests/cfdp/handler/testReservedMsgParser.cpp
+++ b/unittests/cfdp/handler/testReservedMsgParser.cpp
@@ -5,6 +5,7 @@
 #include "fsfw/cfdp/tlv/Lv.h"
 #include "fsfw/cfdp/tlv/ReservedMessageCreator.h"
 #include "fsfw/cfdp/tlv/StringLv.h"
+#include "fsfw/globalfunctions/arrayprinter.h"
 #include "mocks/MessageQueueMock.h"
 #include "mocks/StorageManagerMock.h"
 
@@ -20,6 +21,7 @@ TEST_CASE("Reserved Message Parser", "[cfdp]") {
   StorageManagerMock ipcStore(0, storeCfg);
   std::array<uint8_t, 128> buffer{};
   uint8_t msgBuf[32]{};
+
   EntityId entityId(cfdp::WidthInBytes::ONE_BYTE, 5);
   uint8_t* msgBufPtr = msgBuf;
   size_t serLen = 0;
@@ -35,7 +37,8 @@ TEST_CASE("Reserved Message Parser", "[cfdp]") {
   serLen = 0;
   ReturnValue_t result = creator.serializeBe(buffer.data(), serLen, buffer.size());
   CHECK(result == returnvalue::OK);
+  arrayprinter::print(buffer.data(), serLen);
 
   ReservedMessageParser parser(ipcStore, msgQueue, destQueueId);
-  CHECK(parser.parse(buffer.data(), buffer.max_size()) == OK);
+  CHECK(parser.parse(buffer.data(), serLen) == OK);
 }