2 files changed, 2 insertions, 2 deletions

diff --git a/lib/utils_cmd.c b/lib/utils_cmd.c
index 18350ac0..9b222409 100644
--- a/lib/utils_cmd.c
+++ b/lib/utils_cmd.c
@@ -346,7 +346,7 @@ int cmd_run_array(char *const *argv, output *out, output *err, int flags) {
         return _cmd_close(fd);
 }
 
-int cmd_file_read(char *filename, output *out, int flags) {
+int cmd_file_read(const char *filename, output *out, int flags) {
         int fd;
         if (out)
                 memset(out, 0, sizeof(output));
diff --git a/lib/utils_cmd.h b/lib/utils_cmd.h
index d00069c9..728ece23 100644
--- a/lib/utils_cmd.h
+++ b/lib/utils_cmd.h
@@ -20,7 +20,7 @@ typedef struct output output;
 /** prototypes **/
 int cmd_run(const char *, output *, output *, int);
 int cmd_run_array(char *const *, output *, output *, int);
-int cmd_file_read(char *, output *, int);
+int cmd_file_read(const char *, output *, int);
 
 /* only multi-threaded plugins need to bother with this */
 void cmd_init(void);