diff --git a/platform/modules/prometheus-instance/chart/templates/podDisruptionBudget.yaml b/platform/modules/prometheus-instance/chart/templates/podDisruptionBudget.yaml
index b71809d..f50a0d4 100644
--- a/platform/modules/prometheus-instance/chart/templates/podDisruptionBudget.yaml
+++ b/platform/modules/prometheus-instance/chart/templates/podDisruptionBudget.yaml
@@ -14,5 +14,6 @@ spec:
   maxUnavailable: {{ .Values.prometheus.podDisruptionBudget.maxUnavailable }}
   {{- end  }}
   selector:
-    {{- include "prometheus.selectorLabels" . | nindent 4 }}
+    matchLabels:
+      {{- include "prometheus.selectorLabels" . | nindent 6 }}
 {{- end }}