diff --git a/apps/plugin.c b/apps/plugin.c
index cf5e8a0b93..93717ccd06 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -62,7 +62,7 @@
 #define PREFIX(_x_) _x_
 #endif
 
-#if MEMORYSIZE >= 32
+#if MEM >= 32
 #define PLUGIN_BUFFER_SIZE 0xC0000
 #else
 #define PLUGIN_BUFFER_SIZE 0x8000