diff --git a/src/client/opamArg.ml b/src/client/opamArg.ml
index 3c485019e0a..ed221b5e1d2 100644
--- a/src/client/opamArg.ml
+++ b/src/client/opamArg.ml
@@ -624,7 +624,7 @@ let apply_build_options cli b =
        OpamPackage.Name.Set.of_list)
     ?unlock_base:(flag b.unlock_base)
     ?locked:(if b.locked then Some (Some b.lock_suffix) else None)
-    ?no_depexts:(flag b.no_depexts || OpamCLIVersion.Op.(cli @= cli2_0))
+    ?no_depexts:(flag (b.no_depexts || OpamCLIVersion.Op.(cli @= cli2_0)))
     ();
   OpamClientConfig.update
     ?keep_build_dir:(flag b.keep_build_dir)