diff --git a/charts/incubator/privatebin/Chart.yaml b/charts/incubator/privatebin/Chart.yaml
index a41511ae7fa..508033ff220 100644
--- a/charts/incubator/privatebin/Chart.yaml
+++ b/charts/incubator/privatebin/Chart.yaml
@@ -26,7 +26,7 @@ sources:
   - https://github.com/PrivateBin/PrivateBin
   - https://hub.docker.com/r/privatebin/pdo
 type: application
-version: 0.0.2
+version: 0.0.3
 annotations:
   truecharts.org/catagories: |
     - productivity
diff --git a/charts/incubator/privatebin/questions.yaml b/charts/incubator/privatebin/questions.yaml
index 01982226303..28c905f89e3 100644
--- a/charts/incubator/privatebin/questions.yaml
+++ b/charts/incubator/privatebin/questions.yaml
@@ -307,11 +307,9 @@ questions:
                 description: "Expire value that is selected per default"
                 schema:
                   type: string
-                  default: ""
+                  default: "1week"
                   required: true
                   enum:
-                    - value: ""
-                      description: "PrivateBin Default"
                     - value: "5min"
                       description: "5min"
                     - value: "10min"
diff --git a/charts/incubator/privatebin/templates/_configmap.tpl b/charts/incubator/privatebin/templates/_configmap.tpl
index 553a394c6c6..7a1b53698df 100644
--- a/charts/incubator/privatebin/templates/_configmap.tpl
+++ b/charts/incubator/privatebin/templates/_configmap.tpl
@@ -6,9 +6,13 @@ kind: ConfigMap
 metadata:
   name: {{ include "tc.common.names.fullname" . }}-config
 data:
+  {{/*
+    Multiply by 1, so large integers aren't rendered in scientific notation
+    See: https://github.com/helm/helm/issues/1707#issuecomment-1167860346
+  */}}
   sizelimits-php.ini: |-
-    upload_max_filesize = {{ .Values.privatebin.main.sizelimit }}
-    post_max_size = {{ .Values.privatebin.main.sizelimit }}
+    upload_max_filesize = {{ mul .Values.privatebin.main.sizelimit 1 }}
+    post_max_size = {{ mul .Values.privatebin.main.sizelimit 1 }}
     memory_limit = {{ mul .Values.privatebin.main.sizelimit 2 }}
   sizelimits-nginx.conf: |-
     client_max_body_size {{ add (div (div .Values.privatebin.main.sizelimit 1024) 1024) 5 }}M;
diff --git a/charts/incubator/privatebin/templates/_secrets.tpl b/charts/incubator/privatebin/templates/_secrets.tpl
index 20c3ff00885..26cb4a96c2e 100644
--- a/charts/incubator/privatebin/templates/_secrets.tpl
+++ b/charts/incubator/privatebin/templates/_secrets.tpl
@@ -57,7 +57,11 @@ stringData:
     {{- end }}
 
     ; size limit per paste or comment in bytes, defaults to 10 Mebibytes
-    sizelimit = {{ .Values.privatebin.main.sizelimit }}
+    {{/*
+      Multiply by 1, so large integers aren't rendered in scientific notation
+      See: https://github.com/helm/helm/issues/1707#issuecomment-1167860346
+    */}}
+    sizelimit = {{ mul .Values.privatebin.main.sizelimit 1 }}
 
     ; template to include, default is "bootstrap" (tpl/bootstrap.php)
     template = "{{ .Values.privatebin.main.template }}"
@@ -94,7 +98,7 @@ stringData:
     ; (optional) Let users create a QR code for sharing the paste URL with one click.
     ; It works both when a new paste is created and when you view a paste.
     {{- with .Values.privatebin.main.qrcode }}
-    qrcode = "{{ . }}"
+    qrcode = {{ . }}
     {{- end }}
 
     ; (optional) IP based icons are a weak mechanism to detect if a comment was from
@@ -130,7 +134,7 @@ stringData:
     ; if enabled will use base64.js version 1.7 instead of 2.1.9 and sha1 instead of
     ; sha256 in HMAC for the deletion token
     {{- with .Values.privatebin.main.zerobincompatibility }}
-    zerobincompatibility = "{{ . }}"
+    zerobincompatibility = {{ . }}
     {{- end }}
 
     ; Enable or disable the warning message when the site is served over an insecure
@@ -139,7 +143,7 @@ stringData:
     ; It is **strongly discouraged** to disable this.
     ; See https://github.com/PrivateBin/PrivateBin/wiki/FAQ#why-does-it-show-me-an-error-about-an-insecure-connection for more information.
     {{- with .Values.privatebin.main.httpwarning }}
-    httpwarning = "{{ . }}"
+    httpwarning = {{ . }}
     {{- end }}
 
     ; Pick compression algorithm or disable it. Only applies to pastes/comments
@@ -212,13 +216,13 @@ stringData:
     batchsize = {{ .Values.privatebin.purge.batchsize }}
 
     [model]
-    ; example of DB configuration for PostgreSQL
+    ; DB configuration for PostgreSQL
     class = Database
     [model_options]
-    dsn = {{ printf "pgsql:host=%v-postgresql;dbname=%v" .Release.Name .Values.postgresql.postgresqlDatabase }}
+    dsn = "{{ printf "pgsql:host=%v-postgresql;dbname=%v" .Release.Name .Values.postgresql.postgresqlDatabase }}"
     tbl = "privatebin_"    ; table prefix
     usr = "{{ .Values.postgresql.postgresqlUsername }}"
-    pwd = "{{ .Values.postgresql.postgresqlPassword }}"
+    pwd = {{ .Values.postgresql.postgresqlPassword }}
     opt[12] = true    ; PDO::ATTR_PERSISTENT
 
 {{- end }}