diff --git a/nuttx/configs/px4io/io/defconfig b/nuttx/configs/px4io/io/defconfig
index 78e868b4f3..5db94c6f11 100755
--- a/nuttx/configs/px4io/io/defconfig
+++ b/nuttx/configs/px4io/io/defconfig
@@ -401,7 +401,7 @@ CONFIG_SCHED_ATEXIT=n
 CONFIG_DISABLE_CLOCK=n
 CONFIG_DISABLE_POSIX_TIMERS=y
 CONFIG_DISABLE_PTHREAD=y
-CONFIG_DISABLE_SIGNALS=y
+CONFIG_DISABLE_SIGNALS=n
 CONFIG_DISABLE_MQUEUE=y
 CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_DISABLE_ENVIRON=y