diff --git a/README.md b/README.md
index 14097e3..18b3e75 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Kubernetes LocalPVs on Steroids
 Features
 ---
 
-- [x] Near-zero disk performance overhead
+- [x] Direct I/O: Near-zero disk performance overhead
 - [x] Dynamic provisioning
 - [x] Enforced volume size limit
 - [x] Thin provisioned
diff --git a/rawfile_util.py b/rawfile_util.py
index abed825..1d3b734 100644
--- a/rawfile_util.py
+++ b/rawfile_util.py
@@ -52,4 +52,4 @@ def attach_loop(file) -> str:
         if len(devs) > 0:
             return devs[0]
         next_loop()
-        run(f"losetup -f {file}")
+        run(f"losetup --direct-io=on -f {file}")