diff --git a/boards/sim/sim/sim/configs/kasan/defconfig b/boards/sim/sim/sim/configs/kasan/defconfig
index 2c16fb97491..ffbcc91e541 100644
--- a/boards/sim/sim/sim/configs/kasan/defconfig
+++ b/boards/sim/sim/sim/configs/kasan/defconfig
@@ -19,6 +19,8 @@ CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEV_LOOP=y
 CONFIG_DEV_ZERO=y
 CONFIG_EXAMPLES_HELLO=y
+CONFIG_FDCHECK=y
+CONFIG_FDSAN=y
 CONFIG_FS_AIO=y
 CONFIG_FS_BINFS=y
 CONFIG_FS_NAMED_SEMAPHORES=y