diff --git a/windmill-worker/nsjail/run.bash.config.proto b/windmill-worker/nsjail/run.bash.config.proto
index 63018f765..d8bb0c0a7 100644
--- a/windmill-worker/nsjail/run.bash.config.proto
+++ b/windmill-worker/nsjail/run.bash.config.proto
@@ -15,10 +15,17 @@ keep_caps: false
 keep_env: true
 mount_proc: true
 
+mount {
+    src: "/nix/store"
+    dst: "/nix/store"
+	is_bind: true
+}
+
 mount {
     src: "/bin"
     dst: "/bin"
 	is_bind: true
+    mandatory: false
 }
 
 mount {
@@ -32,6 +39,7 @@ mount {
     src: "/bin"
     dst: "/bin"
 	is_bind: true
+    mandatory: false
 }
 
 mount {
@@ -45,6 +53,7 @@ mount {
     src: "/lib"
     dst: "/lib"
 	is_bind: true
+    mandatory: false
 }
 
 
@@ -60,6 +69,7 @@ mount {
     src: "/usr"
     dst: "/usr"
 	is_bind: true
+    mandatory: false
 }
 
 mount {