diff --git a/src/util/virfile.c b/src/util/virfile.c
index 9296ccbe2a..378d03ecf0 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -3825,7 +3825,7 @@ virFileMoveMount(const char *src,
 {
     const unsigned long mount_flags = MS_MOVE;
 
-    if (mount(src, dst, NULL, mount_flags, NULL) < 0) {
+    if (mount(src, dst, "none", mount_flags, NULL) < 0) {
         virReportSystemError(errno,
                              _("Unable to move %s mount to %s"),
                              src, dst);
diff --git a/src/util/virprocess.c b/src/util/virprocess.c
index 1fbbbb3a27..f92b0dce37 100644
--- a/src/util/virprocess.c
+++ b/src/util/virprocess.c
@@ -1181,7 +1181,7 @@ virProcessSetupPrivateMountNS(void)
         goto cleanup;
     }
 
-    if (mount("", "/", NULL, MS_SLAVE|MS_REC, NULL) < 0) {
+    if (mount("", "/", "none", MS_SLAVE|MS_REC, NULL) < 0) {
         virReportSystemError(errno, "%s",
                              _("Failed to switch root mount into slave mode"));
         goto cleanup;