diff --git a/configs/ez80f910200zco/ostest/defconfig b/configs/ez80f910200zco/ostest/defconfig
index 35c7bd9e21..1025d85214 100644
--- a/configs/ez80f910200zco/ostest/defconfig
+++ b/configs/ez80f910200zco/ostest/defconfig
@@ -231,7 +231,7 @@ CONFIG_DEV_LOWCONSOLE=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