diff --git a/include/winprocs.h b/include/winprocs.h
index 4d0d395a1..3c19d4f03 100644
--- a/include/winprocs.h
+++ b/include/winprocs.h
@@ -359,7 +359,7 @@ struct chain_procs {
     void FDECL((*win_status_finish), (CARGS));
     void FDECL((*win_status_enablefield),
                (CARGS, int, const char *, const char *, BOOLEAN_P));
-    void FDECL((*win_status_update), (CARGS, int, genericptr_t, int, int, int, unsigned long));
+    void FDECL((*win_status_update), (CARGS, int, genericptr_t, int, int, int, unsigned long *));
     boolean FDECL((*win_can_suspend), (CARGS));
 };
 #endif /* WINCHAIN */
diff --git a/win/chain/wc_chainout.c b/win/chain/wc_chainout.c
index 593bd6cd8..af964438c 100644
--- a/win/chain/wc_chainout.c
+++ b/win/chain/wc_chainout.c
@@ -620,7 +620,7 @@ boolean enable;
 void
 chainout_status_update(vp, idx, ptr, chg, percent, color, colormasks)
 void *vp;
-int idx, chg, percent;
+int idx, chg, percent, color;
 genericptr_t ptr;
 unsigned long *colormasks;
 {
diff --git a/win/chain/wc_trace.c b/win/chain/wc_trace.c
index 60877623d..ec81f0a8b 100644
--- a/win/chain/wc_trace.c
+++ b/win/chain/wc_trace.c
@@ -1083,9 +1083,9 @@ boolean enable;
 }
 
 void
-trace_status_update(vp, idx, ptr, chg, color, colormasks)
+trace_status_update(vp, idx, ptr, chg, percent, color, colormasks)
 void *vp;
-int idx, chg, percent;
+int idx, chg, percent, color;
 genericptr_t ptr;
 unsigned long *colormasks;
 {
@@ -1095,7 +1095,7 @@ unsigned long *colormasks;
             ptr, chg, percent);
 
     PRE;
-    (*tdp->nprocs->win_status_update)(tdp->ndata, idx, ptr, chg, color colormasks);
+    (*tdp->nprocs->win_status_update)(tdp->ndata, idx, ptr, chg, percent, color, colormasks);
     POST;
 }