diff --git a/configs/pcm051_rev1_defconfig b/configs/pcm051_rev1_defconfig
index a35222b..6c31cd4 100644
--- a/configs/pcm051_rev1_defconfig
+++ b/configs/pcm051_rev1_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ARM=y
 CONFIG_TARGET_PCM051=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL_ENV_SUPPORT=y
 CONFIG_SYS_EXTRA_OPTIONS="REV1"
 CONFIG_VERSION_VARIABLE=y