diff --git a/controllers/nstemplateset/space_roles.go b/controllers/nstemplateset/space_roles.go
index 84e995be..3d1f70b8 100644
--- a/controllers/nstemplateset/space_roles.go
+++ b/controllers/nstemplateset/space_roles.go
@@ -78,7 +78,7 @@ func (r *spaceRolesManager) ensure(ctx context.Context, nsTmplSet *toolchainv1al
 			sr, err := json.Marshal(nsTmplSet.Spec.SpaceRoles)
 			if err != nil {
 				return false, r.wrapErrorWithStatusUpdate(lctx, nsTmplSet, r.setStatusProvisionFailed, err,
-					"failed to marshal space roles to update '%v' annotation on namespace", toolchainv1alpha1.LastAppliedSpaceRolesAnnotationKey)
+					"failed to marshal space roles to update '%s' annotation on namespace", toolchainv1alpha1.LastAppliedSpaceRolesAnnotationKey)
 			}
 			if ns.Annotations == nil {
 				ns.Annotations = map[string]string{}
@@ -86,7 +86,7 @@ func (r *spaceRolesManager) ensure(ctx context.Context, nsTmplSet *toolchainv1al
 			ns.Annotations[toolchainv1alpha1.LastAppliedSpaceRolesAnnotationKey] = string(sr)
 			if err := r.Client.Update(ctx, &ns); err != nil {
 				return false, r.wrapErrorWithStatusUpdate(lctx, nsTmplSet, r.setStatusProvisionFailed, err,
-					"failed to update namespace with '%q' annotation", toolchainv1alpha1.LastAppliedSpaceRolesAnnotationKey)
+					"failed to update namespace with '%s' annotation", toolchainv1alpha1.LastAppliedSpaceRolesAnnotationKey)
 			}
 			logger.Info("updated annotation on namespace", toolchainv1alpha1.LastAppliedSpaceRolesAnnotationKey, string(sr))
 			return true, nil