diff --git a/openair2/RRC/NR/MESSAGES/tests/CMakeLists.txt b/openair2/RRC/NR/MESSAGES/tests/CMakeLists.txt
index 3f7bf45c0e..980d6160e8 100644
--- a/openair2/RRC/NR/MESSAGES/tests/CMakeLists.txt
+++ b/openair2/RRC/NR/MESSAGES/tests/CMakeLists.txt
@@ -1,4 +1,7 @@
-add_executable(test_asn1_msg test_asn1_msg.cpp)
+add_executable(test_asn1_msg
+  test_asn1_msg.cpp
+  ${OPENAIR2_DIR}/LAYER2/nr_pdcp/asn1_utils.c
+  ${OPENAIR2_DIR}/LAYER2/nr_rlc/asn1_utils.c)
 target_link_libraries(test_asn1_msg PRIVATE nr_rrc SECURITY minimal_lib GTest::gtest UTIL)
 add_dependencies(tests test_asn1_msg)
 add_test(NAME test_asn1_msg