diff --git a/osdmanager.c b/osdmanager.c
index 75a58d0..e5dd46d 100644
--- a/osdmanager.c
+++ b/osdmanager.c
@@ -7,7 +7,7 @@ cOsdManager::cOsdManager(void) {
 bool cOsdManager::setOsd() {
     osd = cOsdProvider::NewOsd(cOsd::OsdLeft(), cOsd::OsdTop());
     if (osd) {
-        tArea Area = { 0, 0, cOsd::OsdWidth(), cOsd::OsdHeight(),  32 };
+        tArea Area = { 0, 0, cOsd::OsdWidth() - 1, cOsd::OsdHeight() - 1,  32 };
         if (osd->SetAreas(&Area, 1) == oeOk) {  
             return true;
         }