--- a/config.c
+++ b/config.c
@@ -1,6 +1,7 @@
 #include "asclock.h"
 
 extern char *Geometry;
+extern int itdocks;
 
 /* load the variables from a predefined theme ****************************************/
 
--- a/symbols.c
+++ b/symbols.c
@@ -62,7 +62,7 @@ symbol config_symbols[] = {
   { "beats_elem_height",&beats_elem_height},
   { NULL, NULL} };
 
-int itdocks;
+extern int itdocks;
 int itblinks;
 int showampm;