diff --git a/configs/z16f2800100zcog/ostest/defconfig b/configs/z16f2800100zcog/ostest/defconfig
index 92315d28df..eb24435af2 100644
--- a/configs/z16f2800100zcog/ostest/defconfig
+++ b/configs/z16f2800100zcog/ostest/defconfig
@@ -171,7 +171,7 @@ CONFIG_DEV_CONSOLE=y
 CONFIG_DISABLE_CLOCK=n
 CONFIG_DISABLE_POSIX_TIMERS=n
 CONFIG_DISABLE_PTHREAD=n
-CONFIG_DISABLE_SIGNALS=n
+CONFIG_DISABLE_SIGNALS=y
 CONFIG_DISABLE_MQUEUE=n
 CONFIG_DISABLE_MOUNTPOINT=n
 CONFIG_DISABLE_ENVIRON=n