diff --git a/uisimulator/common/filesystem-sim.c b/uisimulator/common/filesystem-sim.c
index 766beb3fda..8d7fb14931 100644
--- a/uisimulator/common/filesystem-sim.c
+++ b/uisimulator/common/filesystem-sim.c
@@ -569,6 +569,16 @@ int sim_rename(const char *old, const char *new)
     return rc;
 }
 
+int sim_modtime(const char *path, time_t modtime)
+{
+    char ospath[SIM_TMPBUF_MAX_PATH];
+
+    if (sim_get_os_path(ospath, path, sizeof (ospath)) < 0)
+        return false;
+
+    return os_modtime(ospath, modtime);
+}
+
 off_t sim_filesize(int fildes)
 {
     struct filestr_desc *filestr = get_filestr(fildes);
diff --git a/uisimulator/common/filesystem-sim.h b/uisimulator/common/filesystem-sim.h
index 7c46c449d8..346d6fa74e 100644
--- a/uisimulator/common/filesystem-sim.h
+++ b/uisimulator/common/filesystem-sim.h
@@ -68,6 +68,7 @@ ssize_t sim_read(int fildes, void *buf, size_t nbyte);
 ssize_t sim_write(int fildes, const void *buf, size_t nbyte);
 int     sim_remove(const char *path);
 int     sim_rename(const char *old, const char *new);
+int     sim_modtime(const char *path, time_t modtime);
 off_t   sim_filesize(int fildes);
 int     sim_fsamefile(int fildes1, int fildes2);
 int     sim_relate(const char *path1, const char *path2);