diff --git a/targets/SIMU/USER/Makefile b/targets/SIMU/USER/Makefile
index b46ca33c2f..fd3fba0ee9 100644
--- a/targets/SIMU/USER/Makefile
+++ b/targets/SIMU/USER/Makefile
@@ -247,7 +247,9 @@ endif
 
 CFLAGS += -DENABLE_VCD_FIFO
 CFLAGS += -DENABLE_NEW_MULTICAST
+ifdef NAS
 CFLAGS += -DENABLE_PDCP_NETLINK_FIFO
+endif
 # CFLAGS += -DENABLE_LOG_FIFO
 
 # Check if libpgm is installed and use it if found instead of the unreliable