diff --git a/src/conf.c b/src/conf.c
index 19e6b5a..7201b8c 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -103,7 +103,7 @@ typedef int (*CONFFILE_HANDLER) (struct config_s *, const char *, regmatch_t[]);
  */
 #define HANDLE_FUNC(func) \
   int func(struct config_s* conf, const char* line, \
-	   regmatch_t match[])
+           regmatch_t match[])
 
 /*
  * List all the handling functions.  These are defined later, but they need