diff --git a/modules/trusted-firmware-m/tfm_boards/external_core.cmake b/modules/trusted-firmware-m/tfm_boards/external_core.cmake
index c936e60e06a1..777e870e7195 100644
--- a/modules/trusted-firmware-m/tfm_boards/external_core.cmake
+++ b/modules/trusted-firmware-m/tfm_boards/external_core.cmake
@@ -136,7 +136,10 @@ if(TARGET platform_s)
             # Required for system_nrfxx_approtect.h.
             $<$<BOOL:${CONFIG_NRF_APPROTECT_LOCK}>:ENABLE_APPROTECT>
             $<$<BOOL:${CONFIG_NRF_APPROTECT_USER_HANDLING}>:ENABLE_APPROTECT_USER_HANDLING>
+            $<$<BOOL:${CONFIG_NRF_APPROTECT_USER_HANDLING}>:ENABLE_AUTHENTICATED_APPROTECT> # nRF54L15
             $<$<BOOL:${CONFIG_NRF_SECURE_APPROTECT_LOCK}>:ENABLE_SECURE_APPROTECT>
+            $<$<BOOL:${CONFIG_NRF_SECURE_APPROTECT_LOCK}>:ENABLE_SECUREAPPROTECT> # nRF54L15
             $<$<BOOL:${CONFIG_NRF_SECURE_APPROTECT_USER_HANDLING}>:ENABLE_SECURE_APPROTECT_USER_HANDLING>
-    )
+            $<$<BOOL:${CONFIG_NRF_SECURE_APPROTECT_USER_HANDLING}>:ENABLE_AUTHENTICATED_SECUREAPPROTECT> # nRF54L15
+            )
 endif()