diff --git a/cde/lib/csa/debug.h b/cde/lib/csa/debug.h
index c42385819..cd16f3b14 100644
--- a/cde/lib/csa/debug.h
+++ b/cde/lib/csa/debug.h
@@ -39,7 +39,7 @@
 #define DP(a)
 #endif /* CM_DEBUG */
 
-extern void		_DtCm_print_tick(long);
+extern void		_DtCm_print_tick(time_t t);
 
 extern void		_DtCm_print_errmsg(const char *);