diff --git a/main.c b/main.c
index b470e409..57b6821a 100644
--- a/main.c
+++ b/main.c
@@ -64,7 +64,7 @@ int create_serval_instance_dir() {
   return mkdirs(serval_instancepath(), 0700);
 }
 
-#ifdef 0
+#if 0
 #include <execinfo.h>
 #define MAX_DEPTH 64
 int printBackTrace()