diff --git a/buildroot-external/kernel/hassos.config b/buildroot-external/kernel/hassos.config
index 46141bb27..10847f220 100644
--- a/buildroot-external/kernel/hassos.config
+++ b/buildroot-external/kernel/hassos.config
@@ -11,6 +11,7 @@ CONFIG_ZRAM=y
 CONFIG_ZSWAP=y
 CONFIG_ZSWAP_DEFAULT_ON=y
 CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZ4=y
+CONFIG_ZSWAP_ZPOOL_DEFAULT_ZSMALLOC=y
 CONFIG_ZSMALLOC=y
 
 CONFIG_LRU_GEN=y