diff --git a/harbour/source/common/hbtrace.c b/harbour/source/common/hbtrace.c
index d632eda474..a650f767a8 100644
--- a/harbour/source/common/hbtrace.c
+++ b/harbour/source/common/hbtrace.c
@@ -42,7 +42,7 @@
 char * hb_tr_file_ = "";
 int    hb_tr_line_ = 0;
 
-void hb_tr_trace( char * fmt, ...)
+void hb_tr_trace( char * fmt, ... )
 {
    char buf[ 1024 ];
    char file[ 256 ];