diff --git a/src/ircd_parser.y b/src/ircd_parser.y
index dbb834fb..1da9398c 100644
--- a/src/ircd_parser.y
+++ b/src/ircd_parser.y
@@ -25,9 +25,9 @@
 
 #define YY_NO_UNPUT
 
-int yyparse();
+int yyparse(void);
 int yyerror(const char *);
-int yylex();
+int yylex(void);
 
 static time_t conf_find_time(char*);
 
diff --git a/src/s_conf.c b/src/s_conf.c
index 19f9f3e0..a0060d21 100644
--- a/src/s_conf.c
+++ b/src/s_conf.c
@@ -50,7 +50,7 @@
 
 struct config_server_hide ConfigServerHide;
 
-extern int yyparse();		/* defined in y.tab.c */
+extern int yyparse(void);		/* defined in y.tab.c */
 extern char linebuf[];
 
 #ifndef INADDR_NONE