--- a/src/bs2bconvert.c	2015-03-06 12:24:00.168451618 +0000
+++ b/src/bs2bconvert.c	2015-03-06 12:22:20.504446655 +0000
@@ -153,7 +153,7 @@
 	if( ( infile = sf_open( infilename, SFM_READ, &sfinfo ) ) == NULL )
 	{
 		printf( "Not able to open input file %s.\n", infilename );
-		printf( sf_strerror( NULL ) );
+		printf( "%s", sf_strerror( NULL ) );
 		return 1;
 	}