diff --git a/pkgs/common-updater/combinators.nix b/pkgs/common-updater/combinators.nix
index d60a6e742715..dadbb1e81ca4 100644
--- a/pkgs/common-updater/combinators.nix
+++ b/pkgs/common-updater/combinators.nix
@@ -89,7 +89,7 @@ let
     in
     [
       "sh"
-      "-c"
+      "-ec"
       (lib.concatMapStringsSep ";" escapeShellArgs' extracted.commands)
       # We need paths as separate arguments so that update.nix can ensure they refer to the local directory
       # rather than a store path.