diff --git a/tests/src/fsfw_tests/unit/cfdp/testFinishedPdu.cpp b/tests/src/fsfw_tests/unit/cfdp/testFinishedPdu.cpp
index 718750de2..72c3f932e 100644
--- a/tests/src/fsfw_tests/unit/cfdp/testFinishedPdu.cpp
+++ b/tests/src/fsfw_tests/unit/cfdp/testFinishedPdu.cpp
@@ -37,7 +37,7 @@ TEST_CASE( "Finished PDU" , "[FinishedPdu]") {
 
         // Add a filestore response
         std::string firstName = "hello.txt";
-        cfdp::Lv firstNameLv(reinterpret_cast<uint8_t*>(firstName.data()), firstName.size());
+        cfdp::Lv firstNameLv(reinterpret_cast<const uint8_t*>(firstName.data()), firstName.size());
         FilestoreResponseTlv response(cfdp::FilestoreActionCode::DELETE_FILE,
                 cfdp::FSR_APPEND_FILE_1_NOT_EXISTS, firstNameLv, nullptr);
         FilestoreResponseTlv* responsePtr = &response;
@@ -56,7 +56,7 @@ TEST_CASE( "Finished PDU" , "[FinishedPdu]") {
 
         // Add two filestore responses and a fault location parameter
         std::string secondName = "hello2.txt";
-        cfdp::Lv secondNameLv(reinterpret_cast<uint8_t*>(secondName.data()), secondName.size());
+        cfdp::Lv secondNameLv(reinterpret_cast<const uint8_t*>(secondName.data()), secondName.size());
         FilestoreResponseTlv response2(cfdp::FilestoreActionCode::DENY_FILE ,
                 cfdp::FSR_SUCCESS, secondNameLv, nullptr);
         REQUIRE(response2.getSerializedSize() == 15);
@@ -106,7 +106,7 @@ TEST_CASE( "Finished PDU" , "[FinishedPdu]") {
         sz = 0;
         buffer = fnBuffer.data();
         std::string firstName = "hello.txt";
-        cfdp::Lv firstNameLv(reinterpret_cast<uint8_t*>(firstName.data()), firstName.size());
+        cfdp::Lv firstNameLv(reinterpret_cast<const uint8_t*>(firstName.data()), firstName.size());
         FilestoreResponseTlv response(cfdp::FilestoreActionCode::DELETE_FILE,
                 cfdp::FSR_NOT_PERFORMED, firstNameLv, nullptr);
         FilestoreResponseTlv* responsePtr = &response;
@@ -136,7 +136,7 @@ TEST_CASE( "Finished PDU" , "[FinishedPdu]") {
 
         // Add two filestore responses and a fault location parameter
         std::string secondName = "hello2.txt";
-        cfdp::Lv secondNameLv(reinterpret_cast<uint8_t*>(secondName.data()), secondName.size());
+        cfdp::Lv secondNameLv(reinterpret_cast<const uint8_t*>(secondName.data()), secondName.size());
         FilestoreResponseTlv response2(cfdp::FilestoreActionCode::DENY_FILE ,
                 cfdp::FSR_SUCCESS, secondNameLv, nullptr);
         REQUIRE(response2.getSerializedSize() == 15);