diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index 8dfdd73..3421566 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -40,6 +40,7 @@
         $<$<BOOL:${CONFIG_TFM_USE_TRUSTZONE}>:CONFIG_TFM_USE_TRUSTZONE>
         $<$<BOOL:${TFM_MULTI_CORE_TOPOLOGY}>:TFM_MULTI_CORE_TOPOLOGY>
         $<$<BOOL:${CONFIG_TFM_PARTITION_META}>:CONFIG_TFM_PARTITION_META>
+        $<$<BOOL:${TEST_NS_MULTI_CORE}>:TFM_MULTI_CORE_TEST>
 )
 
 ###################### PSA api (S lib) #########################################