diff --git a/dirkules/hardware/ext4Tools.py b/dirkules/hardware/ext4Tools.py
index 278f995..4dc9f0d 100644
--- a/dirkules/hardware/ext4Tools.py
+++ b/dirkules/hardware/ext4Tools.py
@@ -8,7 +8,7 @@ import subprocess
 def get_free_space(name):
     lines = list()
     df = subprocess.Popen(
-        ["df -B K /dev/" + name],
+        ["df -B K " + name],
         stdout=subprocess.PIPE,
         shell=True,
         universal_newlines=True)
diff --git a/dirkules/manager/driveManager.py b/dirkules/manager/driveManager.py
index 86e70fd..5adb96b 100644
--- a/dirkules/manager/driveManager.py
+++ b/dirkules/manager/driveManager.py
@@ -116,7 +116,7 @@ def pool_gen():
 
         elif value.fs == "ext4":
             if value.mountpoint:
-                free_space = ext4Tools.get_free_space(value.name)
+                free_space = ext4Tools.get_free_space(value.mountpoint)
             else:
                 free_space = 2
             pool_obj = Pool(value.label, value.size, free_space, raid, 1.00, raid, 1.00, value.fs, value.mountpoint,