--- brltty-5.3/Programs/brltty-ttb.c.orig	2015-12-09 18:35:12.000000000 +0100
+++ brltty-5.3/Programs/brltty-ttb.c	2016-01-19 22:09:10.415700563 +0100
@@ -114,7 +114,7 @@
             }
 
             STR_END;
-            logMessage(LOG_WARNING, buffer);
+            logMessage(LOG_WARNING, "%s", buffer);
           }
         }
       }