1 files changed, 5 insertions, 6 deletions
diff --git a/ext/win32ole/win32ole.c b/ext/win32ole/win32ole.c
index 5310cbfae1..b48a8a7291 100644
--- a/ext/win32ole/win32ole.c
+++ b/ext/win32ole/win32ole.c
@@ -1193,19 +1193,18 @@ static void
 ole_raise(HRESULT hr, VALUE ecs, const char *fmt, ...)
 {
     va_list args;
-    char buf[BUFSIZ];
+    VALUE msg;
     VALUE err_msg;
     va_init_list(args, fmt);
-    vsnprintf(buf, BUFSIZ, fmt, args);
+    msg = rb_vsprintf(fmt, args);
     va_end(args);
 
     err_msg = ole_hresult2msg(hr);
     if(err_msg != Qnil) {
-        rb_raise(ecs, "%s\n%s", buf, StringValuePtr(err_msg));
-    }
-    else {
-        rb_raise(ecs, "%s", buf);
+	rb_str_cat2(msg, "\n");
+	rb_str_append(msg, err_msg);
     }
+    rb_exc_raise(rb_exc_new3(ecs, msg));
 }
 
 void