--- a/Wnn/uum/jhlp.c
+++ b/Wnn/uum/jhlp.c
@@ -1135,7 +1135,7 @@
       else
         {
           signal (SIGCHLD, SIG_IGN);
-          printf (MSG_GET (3));
+          printf ("%s", MSG_GET (3));
           /*
              printf("\r\nｕｕｍを終わります。\r\n");
            */
@@ -1212,8 +1212,8 @@
 
   if ((buf = (unsigned char *) malloc (maxchg * 4)) == NULL)
     {
-      printf (MSG_GET (2));
-      printf (MSG_GET (3));
+      printf ("%s", MSG_GET (2));
+      printf ("%s", MSG_GET (3));
       /*
          printf("malloc に失敗しました。ｕｕｍを終わります。\r\n");
        */
--- a/Wnn/uum/jis_in.c
+++ b/Wnn/uum/jis_in.c
@@ -64,7 +64,7 @@
 
 completely_start:
   throw_c (0);                  /* モード表示の後に出す */
-  printf (MSG_GET (6));
+  printf ("%s", MSG_GET (6));
   /*
      printf("JISコード: ");
    */
--- a/Wnn/uum/jutil.c
+++ b/Wnn/uum/jutil.c
@@ -489,7 +489,7 @@
   /*
      printf("只今、辞書を読み込んでいます。");
    */
-  printf (MSG_GET (60));
+  printf ("%s", MSG_GET (60));
   flush ();
 
   if ((id = jl_dic_add (bun_data_, fname, hfname, 0, prio, rdonly, hrdonly, NULL, NULL, yes_or_no_or_newline, print_msg1)) == -1 && wnn_errorno != -1)
@@ -571,7 +571,7 @@
   int x;
   throw_c (0);
   clr_line ();
-  printf (string);
+  printf ("%s", string);
   flush ();
   for (;;)
     {
--- a/Wnn/uum/kensaku.c
+++ b/Wnn/uum/kensaku.c
@@ -112,7 +112,7 @@
       u_s_on ();
       w_printf (kana_buf, maxlength - strlen (MSG_GET (27)) - 2);
       u_s_off ();
-      printf (MSG_GET (27));
+      printf ("%s", MSG_GET (27));
       flush ();
       keyin ();
       return (NULL);
--- a/Wnn/uum/kuten.c
+++ b/Wnn/uum/kuten.c
@@ -63,7 +63,7 @@
 
 completely_start:
   throw_c (0);                  /* モード表示の後に出す */
-  printf (MSG_GET (7));
+  printf ("%s", MSG_GET (7));
   /*
      printf("区点 : ");
    */
--- a/Wnn/uum/prologue.c
+++ b/Wnn/uum/prologue.c
@@ -144,7 +144,7 @@
       /*
          fprintf(stderr,"初期化でmalloc不能。\n");
        */
-      fprintf (stderr, MSG_GET (2));
+      fprintf (stderr, "%s", MSG_GET (2));
       return (-1);
     }
 
--- a/Wnn/uum/screen.c
+++ b/Wnn/uum/screen.c
@@ -547,7 +547,7 @@
 {
   push_cursor ();
   throw_c (0);
-  printf (msg);
+  printf ("%s", msg);
   pop_cursor ();
   flush ();
 }
--- a/Wnn/uum/sdefine.h
+++ b/Wnn/uum/sdefine.h
@@ -191,8 +191,8 @@
 
 
 #define flush() fflush(stdout)
-#define print_msg(X) {push_cursor();throw_c(0); clr_line();printf(X);flush();pop_cursor();}
-#define print_msg_getc(X) {push_cursor();throw_c(0); clr_line();printf(X);flush();keyin();pop_cursor();}
+#define print_msg(X) {push_cursor();throw_c(0); clr_line();printf("%s", X);flush();pop_cursor();}
+#define print_msg_getc(X) {push_cursor();throw_c(0); clr_line();printf("%s", X);flush();keyin();pop_cursor();}
 
 
 #define UNDER_LINE_MODE (0x02 | 0x08 | 0x20)
--- a/Wnn/uum/select_ele.c
+++ b/Wnn/uum/select_ele.c
@@ -224,7 +224,7 @@
 
   throw_c (0);
   clr_line ();
-  printf (msg);
+  printf ("%s", msg);
   for (k = dd[cc]; k < dd[cc + 1]; k++)
     {
       cp = findcp (k, cc);
--- a/Wnn/uum/termio.c
+++ b/Wnn/uum/termio.c
@@ -100,7 +100,7 @@
 
   if ((strlen (Term_Name) > 2) && (strcmp (Term_Name + (strlen (Term_Name) - 2), "-j") == 0))
     {
-      fprintf (stderr, MSG_GET (4));
+      fprintf (stderr, "%s", MSG_GET (4));
       /*
          fprintf(stderr,"Uum:ｕｕｍからｕｕｍはおこせません。\n");
        */
--- a/Wnn/uum/wnnrc_op.c
+++ b/Wnn/uum/wnnrc_op.c
@@ -754,7 +754,7 @@
       return fp;
     }
 error:
-  fprintf (stderr, MSG_GET (14));
+  fprintf (stderr, "%s", MSG_GET (14));
 /*
     fprintf(stderr , "uumrc ファイルがありません。");
 */