diff --git a/ci/helm-chart/templates/deployment.yaml b/ci/helm-chart/templates/deployment.yaml
index f36806553..3a5e45166 100644
--- a/ci/helm-chart/templates/deployment.yaml
+++ b/ci/helm-chart/templates/deployment.yaml
@@ -119,7 +119,7 @@ spec:
       {{- end }}
     {{- with .Values.affinity }}
       affinity:
-        {{- toYaml . | nindent 8 }}
+        {{- tpl . $ | nindent 8 }}
     {{- end }}
     {{- with .Values.tolerations }}
       tolerations: