diff --git a/acorinstaller/calamares/modules/fstab.conf b/acorinstaller/calamares/modules/fstab.conf
index b2db8e7..69ff540 100644
--- a/acorinstaller/calamares/modules/fstab.conf
+++ b/acorinstaller/calamares/modules/fstab.conf
@@ -5,8 +5,8 @@
 #
 ---
 mountOptions:
-    default: defaults,noatime,discard
-    btrfs: defaults,noatime,noautodefrag,discard
+    default: defaults,noatime,nodiscard
+    btrfs: defaults,noatime,noautodefrag,nodiscard
     btrfs_swap: defaults
     swap: defaults