2 files changed, 2 insertions, 2 deletions

diff --git a/uisimulator/x11/file.h b/uisimulator/x11/file.h
index 7212692907..b30167ecbd 100644
--- a/uisimulator/x11/file.h
+++ b/uisimulator/x11/file.h
@@ -26,7 +26,7 @@
 int x11_open(const char *name, int opts);
 int x11_close(int fd);
 int x11_filesize(int fd);
-int x11_creat(char *name, int mode);
+int x11_creat(const char *name, mode_t mode);
 int x11_remove(char *name);
 int x11_rename(char *oldpath, char *newpath);
 
diff --git a/uisimulator/x11/io.c b/uisimulator/x11/io.c
index 6fc82cc6f7..14d2bfa2c0 100644
--- a/uisimulator/x11/io.c
+++ b/uisimulator/x11/io.c
@@ -120,7 +120,7 @@ int x11_close(int fd)
     return (close)(fd);
 }
 
-int x11_creat(char *name, int mode)
+int x11_creat(const char *name, mode_t mode)
 {
     char buffer[256]; /* sufficiently big */
     (void)mode;