diff --git a/tci.c b/tci.c
index 71de66d508be462ddd1875f52c904a61fb089df0..a412a4ed93fead23c9483e23c0dcdf77dd1061d0 100644
--- a/tci.c
+++ b/tci.c
@@ -20,7 +20,7 @@
 #include "config.h"
 
 /* Defining NDEBUG disables assertions (which makes the code faster). */
-#if !defined(CONFIG_TCG_DEBUG) && !defined(NDEBUG)
+#if !defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG)
 # define NDEBUG
 #endif