diff --git a/srsenb/test/rrc/CMakeLists.txt b/srsenb/test/rrc/CMakeLists.txt
index 06ecb4221..fb6694fd4 100644
--- a/srsenb/test/rrc/CMakeLists.txt
+++ b/srsenb/test/rrc/CMakeLists.txt
@@ -6,7 +6,7 @@
 # the distribution.
 #
 
-add_library(test_helpers test_helpers.cc)
+add_library(test_helpers STATIC test_helpers.cc)
 target_link_libraries(test_helpers srsenb_rrc srsenb_common rrc_asn1 rrc_nr_asn1 s1ap_asn1 srsran_common enb_cfg_parser ${LIBCONFIGPP_LIBRARIES})
 
 add_executable(rrc_meascfg_test rrc_meascfg_test.cc)
diff --git a/srsgnb/src/stack/mac/test/CMakeLists.txt b/srsgnb/src/stack/mac/test/CMakeLists.txt
index 6afaccc59..2441f5f8a 100644
--- a/srsgnb/src/stack/mac/test/CMakeLists.txt
+++ b/srsgnb/src/stack/mac/test/CMakeLists.txt
@@ -8,7 +8,7 @@
 
 set_directory_properties(PROPERTIES LABELS "sched;nr")
 
-add_library(sched_nr_test_suite sched_nr_common_test.cc sched_nr_ue_ded_test_suite.cc sched_nr_sim_ue.cc)
+add_library(sched_nr_test_suite STATIC sched_nr_common_test.cc sched_nr_ue_ded_test_suite.cc sched_nr_sim_ue.cc)
 target_link_libraries(sched_nr_test_suite srsgnb_mac srsran_common rrc_nr_asn1)
 
 add_executable(sched_nr_parallel_test sched_nr_parallel_test.cc)
@@ -53,4 +53,4 @@ target_link_libraries(sched_nr_test
         rrc_nr_asn1
         srsran_common ${CMAKE_THREAD_LIBS_INIT}
         ${Boost_LIBRARIES})
-add_nr_test(sched_nr_test sched_nr_test)
\ No newline at end of file
+add_nr_test(sched_nr_test sched_nr_test)
diff --git a/srsgnb/src/stack/rrc/test/CMakeLists.txt b/srsgnb/src/stack/rrc/test/CMakeLists.txt
index 103b1bb38..efca40807 100644
--- a/srsgnb/src/stack/rrc/test/CMakeLists.txt
+++ b/srsgnb/src/stack/rrc/test/CMakeLists.txt
@@ -6,7 +6,7 @@
 # the distribution.
 #
 
-add_library(rrc_nr_test_helpers rrc_nr_test_helpers.cc)
+add_library(rrc_nr_test_helpers STATIC rrc_nr_test_helpers.cc)
 
 add_executable(rrc_nr_test rrc_nr_test.cc)
 target_link_libraries(rrc_nr_test srsgnb_rrc srsgnb_rrc_config_utils srsran_common rrc_nr_asn1 rrc_nr_test_helpers srsgnb_mac ${ATOMIC_LIBS})