diff --git a/x-plane/default.nix b/x-plane/default.nix
index fb69189..c95fbd5 100644
--- a/x-plane/default.nix
+++ b/x-plane/default.nix
@@ -116,7 +116,7 @@ let
       printf "Reverting all modifications\n"
       for f in "$XPLANEPATH/.addons"/revert-* ; do
         printf "Reverting %s\n" "''${f##*/revert-}"
-        "''${f}"
+        "''${f}" || { printf "Failed reverting %s\n" "''${f##*/revert-}. Stopping"; exit 1; }
       done
     else
       for f in "$@" ; do