diff --git a/apps/plugins/viewer.c b/apps/plugins/viewer.c
index ea04f66..583dd09 100755
--- a/apps/plugins/viewer.c
+++ b/apps/plugins/viewer.c
@@ -579,11 +579,14 @@ static unsigned char* get_ucs(const unsigned char* str, unsigned short* ch)
     rb->utf8decode(utf8_tmp, ch);
 
 #ifdef HAVE_LCD_BITMAP
-    if ((prefs.encoding == SJIS && *str > 0xA0 && *str < 0xE0) || prefs.encoding < SJIS)
+    if (*str < 0x80 || prefs.encoding < SJIS
+        || (prefs.encoding == SJIS && *str > 0xA0 && *str < 0xE0))
         return (unsigned char*)str+1;
-    else
+
+    return (unsigned char*)str+2;
+#else
+    return (unsigned char*)str+1;
 #endif
-        return (unsigned char*)str+2;
 }
 
 static bool done = false;