--- magic-8.0.174/database/DBio.c.format	2014-02-11 23:32:10.000000000 +0900
+++ magic-8.0.174/database/DBio.c	2015-10-09 12:47:45.148487595 +0900
@@ -2112,12 +2112,12 @@
 
 #define FPRINTF(f,s)\
 {\
-     if (fprintf(f,s) == EOF) goto ioerror;\
+     if (fprintf(f,"%s", s) == EOF) goto ioerror;\
      DBFileOffset += strlen(s);\
 }
 #define FPRINTR(f,s)\
 {\
-     if (fprintf(f,s) == EOF) return 1;\
+     if (fprintf(f, "%s", s) == EOF) return 1;\
      DBFileOffset += strlen(s);\
 }