diff --git a/src/spiffs_hydrogen.c b/src/spiffs_hydrogen.c
index dcbc5e8..2b96abf 100644
--- a/src/spiffs_hydrogen.c
+++ b/src/spiffs_hydrogen.c
@@ -91,9 +91,10 @@ s32_t SPIFFS_mount(spiffs *fs, spiffs_config *config, u8_t *work,
   if (cache_size & (ptr_size-1)) {
     cache_size -= (cache_size & (ptr_size-1));
   }
+
 #if SPIFFS_CACHE
   fs->cache = cache;
-  fs->cache_size = (cache_size > (config->log_page_size*32)) ? config->log_page_size*32 : cache_size;
+  fs->cache_size = (cache_size > (SPIFFS_CFG_LOG_PAGE_SZ(fs)*32)) ? SPIFFS_CFG_LOG_PAGE_SZ(fs)*32 : cache_size;
   spiffs_cache_init(fs);
 #endif