diff --git a/containers.opam b/containers.opam
index c473da06..bc23aeda 100644
--- a/containers.opam
+++ b/containers.opam
@@ -15,7 +15,7 @@ depends: [
   "dune" { >= "2.0" }
   "dune-configurator"
   "either" # compat
-| "qcheck-core" {>= "0.18" & with-test}
+  "qcheck-core" {>= "0.18" & with-test}
   "yojson" { with-test }
   "iter" { with-test }
   "gen" { with-test }