diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 4a71c27..00d035d 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -345,7 +345,7 @@
 {
     struct mntent *ment;
     GuestFsfreezeMount *mount;
-    char const *mtab = MOUNTED;
+    char const *mtab = "/proc/self/mounts";
     FILE *fp;
 
     fp = setmntent(mtab, "r");