diff --git a/home-manager/modules/bash/bashrc b/home-manager/modules/bash/bashrc
index bd843bc..d10db76 100644
--- a/home-manager/modules/bash/bashrc
+++ b/home-manager/modules/bash/bashrc
@@ -133,3 +133,19 @@ function yaml2nix()
 
     nixfmt "${output_file}"
 }
+
+function zpool_warning()
+{
+    if ! ( echo "$@" | grep -v create ) ; then
+        if [[ "$ZFS_I_REMEMBERED_TO_DISABLE_BLOCK_CLONING" == "1" ]] ; then
+            echo "I trust you, carry on! But be careful to disable block cloning..."
+            env zpool "$@"
+        else
+            echo "Disable block cloning or you will have a very bad time!"
+        fi
+    else
+        env zpool "$@"
+    fi
+}
+
+alias zpool="zpool_warning"