diff --git a/3rdparty/fonts/fnt.cxx b/3rdparty/fonts/fnt.cxx
index 1c6003d..5e3d381 100644
--- a/3rdparty/fonts/fnt.cxx
+++ b/3rdparty/fonts/fnt.cxx
@@ -187,7 +187,7 @@ void fntTexFont::getBBox ( const char *s,
     if ((cc & 0x80)==0) {
       SG_LOG(SG_GUI,SG_ALERT, "ASSIC cc=" << cc);
     }
-    if ( (cc & 0XE0) == 1) {
+    if ( (cc & 0XE0) == 0XE0) {
       SG_LOG(SG_GUI,SG_ALERT, "UTF8 cc=" << cc);
     }