diff --git a/nuttx/configs/px4fmu/nsh/defconfig b/nuttx/configs/px4fmu/nsh/defconfig
index b991a68c08..89322daf98 100755
--- a/nuttx/configs/px4fmu/nsh/defconfig
+++ b/nuttx/configs/px4fmu/nsh/defconfig
@@ -510,6 +510,7 @@ CONFIG_HAVE_LIBM=y
 # CONFIG_SCHED_WAITPID - Enable the waitpid() API
 # CONFIG_SCHED_ATEXIT - Enabled the atexit() API
 #
+CONFIG_USER_ENTRYPOINT="nsh_main"
 #CONFIG_APPS_DIR=
 CONFIG_DEBUG=y
 CONFIG_DEBUG_VERBOSE=y
diff --git a/nuttx/configs/px4io/io/defconfig b/nuttx/configs/px4io/io/defconfig
index d710f398da..eea430a464 100755
--- a/nuttx/configs/px4io/io/defconfig
+++ b/nuttx/configs/px4io/io/defconfig
@@ -323,6 +323,7 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SCHED_WAITPID - Enable the waitpid() API
 # CONFIG_SCHED_ATEXIT - Enabled the atexit() API
 #
+CONFIG_USER_ENTRYPOINT="user_start"
 #CONFIG_APPS_DIR=
 CONFIG_DEBUG=n
 CONFIG_DEBUG_VERBOSE=n