diff -ur coinmp.org/CoinUtils/src/CoinMessageHandler.cpp coinmp/CoinUtils/src/CoinMessageHandler.cpp
--- CoinUtils/src/CoinMessageHandler.cpp	2014-05-21 23:14:01.384874167 +0200
+++ CoinUtils/src/CoinMessageHandler.cpp	2014-05-21 23:14:47.708874712 +0200
@@ -820,7 +820,7 @@
 	  sprintf(messageOut_,g_format_,doublevalue);
 	  if (next != format_+2) {
 	    messageOut_+=strlen(messageOut_);
-	    sprintf(messageOut_,format_+2);
+	    sprintf(messageOut_,"%s",format_+2);
 	  }
 	}
 	messageOut_+=strlen(messageOut_);