diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 3084bcee58..633e37eb68 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -1,3 +1,7 @@
+19991026-19:55 EDT Paul Tucker <ptucker@sympatico.ca>
+   * source/rtl/gt/gtwin.c
+     * Added WINAPI to the handler func def.
+
 Tue Oct 26 17:16:43 1999  Gonzalo A. Diethelm  <Gonzalo.Diethelm@jda.cl>
 
 	* source/common/hbtrace.c: 
diff --git a/harbour/source/rtl/gt/gtwin.c b/harbour/source/rtl/gt/gtwin.c
index df3a9a6564..1915b214cd 100644
--- a/harbour/source/rtl/gt/gtwin.c
+++ b/harbour/source/rtl/gt/gtwin.c
@@ -103,7 +103,7 @@ static HANDLE HCursor;  /* When DispBegin is in effect, all cursor related
                            be different than the one being written to.
                          */
 
-static BOOL hb_gt_CtrlHandler( DWORD dwCtrlType )
+static BOOL WINAPI hb_gt_CtrlHandler( DWORD dwCtrlType )
 {
    BOOL bHandled;