diff --git a/lld-disks.py b/lld-disks.py
index 48fd3d6..a42081b 100644
--- a/lld-disks.py
+++ b/lld-disks.py
@@ -1,12 +1,16 @@
 #!/usr/bin/python
 import os
 import json
+import re
 
 if __name__ == "__main__":
+    # filter out partitions
+    rx_sd = re.compile('.*[a-z]$')
     # Iterate over all block devices, but ignore them if they are in the
     # skippable set
     skippable = ("sr", "loop", "ram")
     devices = (device for device in os.listdir("/sys/class/block")
-               if not any(ignore in device for ignore in skippable))
+               if not any(ignore in device for ignore in skippable)
+               and rx_sd.match(device))
     data = [{"{#DEVICENAME}": device} for device in devices]
     print(json.dumps({"data": data}, indent=4))