diff --git a/charts/postgres-cluster/Chart.yaml b/charts/postgres-cluster/Chart.yaml
index 7d267f2..fd5be65 100644
--- a/charts/postgres-cluster/Chart.yaml
+++ b/charts/postgres-cluster/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 2.3.3
+version: 2.3.4
 description: Chart for cloudnative-pg cluster
 keywords:
   - database
diff --git a/charts/postgres-cluster/templates/_bootstrap.tpl b/charts/postgres-cluster/templates/_bootstrap.tpl
index 12455e2..3484a3b 100644
--- a/charts/postgres-cluster/templates/_bootstrap.tpl
+++ b/charts/postgres-cluster/templates/_bootstrap.tpl
@@ -26,8 +26,7 @@ bootstrap:
     import:
       type: {{ .Values.replica.importType }}
       databases:
-        {{ $length := len .Values.replica.importDatabases | int }}
-        {{- if and ($length gt 1) (.Values.replica.importType eq "microservice") }}
+        {{- if and (gt (len .Values.replica.importDatabases) 1) (eq .Values.replica.importType "microservice") }}
           {{ fail "Too many databases in import type of microservice!" }}
         {{- else}}
         {{- with .Values.replica.importDatabases }}