diff --git a/internal/compose/resolution/toolchain_manifests_test.go b/internal/compose/resolution/toolchain_manifests_test.go
index c6d6725..5c2b7f6 100644
--- a/internal/compose/resolution/toolchain_manifests_test.go
+++ b/internal/compose/resolution/toolchain_manifests_test.go
@@ -10,10 +10,11 @@ import (
 // builderNode is a machine that can run a build module: the package manager and user namespaces it asks of
 // the machine, and the forge account (mesh-scope, provided by the forge) and the artifact store the build
 // modules publish to (ADR 0513, provided by distribution) stood in for, and node-tools, the tool runner they pull their
-// asks through (mesh-catalog issue 1911; mesh-tools' module, not in the catalogue).
+// asks through (mesh-catalog issue 1911; mesh-tools' module, not in the catalogue), with the tool runner's
+// seat-settle-delay the build modules ask of it since issue 1748 (ADR 0664 §5).
 func builderNode() mcat.Node {
 	return mcat.Node{Name: "builder", Site: "house",
-		Capabilities: map[string]bool{"package-manager": true, "user-namespaces": true}}
+		Capabilities: map[string]bool{"package-manager": true, "user-namespaces": true, "seat-settle-delay": true}}
 }
 
 func toolchainShelf(t *testing.T) map[string]mcat.Manifest {