diff --git a/var/spack/repos/builtin/packages/icon/package.py b/var/spack/repos/builtin/packages/icon/package.py
index e384bdd840a..839de1e836d 100644
--- a/var/spack/repos/builtin/packages/icon/package.py
+++ b/var/spack/repos/builtin/packages/icon/package.py
@@ -129,6 +129,7 @@ def configure_args(self):
             "atmo",
             "les",
             "upatmo",
+            "ocean",
             "jsbach",
             "waves",
             "aes",