diff --git a/reiser4progs/libmisc/ui.c b/reiser4progs/libmisc/ui.c

index 929739c..2d0f825 100644

--- a/reiser4progs/libmisc/ui.c

+++ b/reiser4progs/libmisc/ui.c

@@ -58,7 +58,7 @@ char *misc_readline(

 			add_history(line);

 	}

 #else

-	fprintf(stream, prompt);

+	fprintf(stream, "%s", prompt);

 	if (!(line = aal_calloc(256, 0)))

 		return NULL;

@@ -116,7 +116,7 @@ void misc_print_wrap(void *stream, char *text) {

 				line_width = 0;

 			}

-			fprintf(stream, word);

+			fprintf(stream, "%s", word);

 			line_width += aal_strlen(word);

diff --git a/reiser4progs/progs/debugfs/browse.c b/reiser4progs/progs/debugfs/browse.c

index ea48296..1da7d3c 100644

--- a/reiser4progs/progs/debugfs/browse.c

+++ b/reiser4progs/progs/debugfs/browse.c

@@ -27,7 +27,7 @@ static errno_t debugfs_reg_cat(reiser4_object_t *object) {

 		if (read <= 0)

 			break;

-		printf(buff);

+		printf("%s", buff);

 	}

 	return 0;

diff --git a/reiser4progs/progs/debugfs/print.c b/reiser4progs/progs/debugfs/print.c

index 11827b1..fc96212 100644

--- a/reiser4progs/progs/debugfs/print.c

+++ b/reiser4progs/progs/debugfs/print.c

@@ -24,7 +24,7 @@ errno_t debugfs_print_stream(aal_stream_t *stream) {

 		if ((size = aal_stream_read(stream, buff, size)) <= 0)

 			return size;

-		printf(buff);

+		printf("%s", buff);

 	}

 	return 0;