diff --git a/lib/fprotect/CMakeLists.txt b/lib/fprotect/CMakeLists.txt
index 27dd0247eba0..b639145ee00b 100644
--- a/lib/fprotect/CMakeLists.txt
+++ b/lib/fprotect/CMakeLists.txt
@@ -11,7 +11,7 @@ elseif (CONFIG_HAS_HW_NRF_ACL)
   set(FPROTECT_SRC fprotect_acl.c)
 elseif (CONFIG_HAS_HW_NRF_BPROT OR CONFIG_HAS_HW_NRF_MPU)
   set(FPROTECT_SRC fprotect_bprot.c)
-elseif (CONFIG_SOC_NRF54L15)
+elseif (CONFIG_SOC_SERIES_NRF54LX)
   set(FPROTECT_SRC fprotect_rram.c)
 else()
   message(FATAL_ERROR "No fprotect backend selected.")