diff --git a/salt/modules/mount.py b/salt/modules/mount.py
index 68cfd1fc6af6..1b3d02de9fd3 100644
--- a/salt/modules/mount.py
+++ b/salt/modules/mount.py
@@ -63,7 +63,9 @@ def _active_mountinfo(ret):
         msg = 'File not readable {0}'
         raise CommandExecutionError(msg.format(filename))
 
-    blkid_info = __salt__['disk.blkid']()
+    if 'disk.blkid' not in __context__:
+        __context__['disk.blkid'] = __salt__['disk.blkid']()
+    blkid_info = __context__['disk.blkid']
 
     with salt.utils.files.fopen(filename) as ifile:
         for line in ifile: