--- mpg321-0.3.1-orig/mpg321.c
+++ mpg321-0.3.1-format-security/mpg321.c
@@ -183,7 +183,7 @@ void *read_keyb(void *ptr)
 				else{
 #endif					
 					if(!(options.opt & MPG321_ENABLE_BUFFER))
-						fprintf(stdout,"Volume: %ld%%      \r",volume);
+						fprintf(stdout,"Volume: %d%%      \r",volume);
 #ifdef HAVE_ALSA
 				}
 #endif
@@ -233,7 +233,7 @@ void *read_keyb(void *ptr)
 				else{
 #endif
 					if(!(options.opt & MPG321_ENABLE_BUFFER))
-						fprintf(stdout,"Volume: %ld%%      \r",volume);
+						fprintf(stdout,"Volume: %d%%      \r",volume);
 #ifdef HAVE_ALSA
 				}
 #endif
@@ -447,7 +447,7 @@ static int show_id3(struct id3_tag const
         {
             if(!names[i])
             {
-                printf(emptystring);
+                printf("%s", emptystring);
             }
             
             else
@@ -465,7 +465,7 @@ static int show_id3(struct id3_tag const
         for (i=0; i<=5; i++)    {
             fprintf (stderr, "%s", info_id3[i].name);
             if (!names[i])  {
-                fprintf (stderr, emptystring);
+                fprintf (stderr, "%s", emptystring);
             }   else    {
                 fprintf (stderr, "%s", names[i]);
                 free (names[i]);