diff --git a/mm/Kconfig b/mm/Kconfig
index 264a2df5ecf5..45f2971ef642 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -130,6 +130,7 @@ config ZSWAP_COMPRESSOR_DEFAULT
 choice
 	prompt "Default allocator"
 	depends on ZSWAP
+	default ZSWAP_ZPOOL_DEFAULT_ZSMALLOC if MMU
 	default ZSWAP_ZPOOL_DEFAULT_ZBUD
 	help
 	  Selects the default allocator for the compressed cache for