diff --git a/deploy/charts/cert-manager/templates/cainjector-deployment.yaml b/deploy/charts/cert-manager/templates/cainjector-deployment.yaml
index e6f2aea32..c0f65c03a 100644
--- a/deploy/charts/cert-manager/templates/cainjector-deployment.yaml
+++ b/deploy/charts/cert-manager/templates/cainjector-deployment.yaml
@@ -58,7 +58,7 @@ spec:
           image: "{{ template "image" (tuple .Values.cainjector.image $.Chart.AppVersion) }}"
           imagePullPolicy: {{ .Values.cainjector.image.pullPolicy }}
           args:
-          {{- if .Values.global.logLevel }}
+          {{- if eq (.Values.global.logLevel | toString) "0" "1" "2" "3" "4" "5" }}
           - --v={{ .Values.global.logLevel }}
           {{- end }}
           {{- with .Values.global.leaderElection }}
diff --git a/deploy/charts/cert-manager/templates/deployment.yaml b/deploy/charts/cert-manager/templates/deployment.yaml
index dfc226768..921a4c655 100644
--- a/deploy/charts/cert-manager/templates/deployment.yaml
+++ b/deploy/charts/cert-manager/templates/deployment.yaml
@@ -76,7 +76,7 @@ spec:
           image: "{{ template "image" (tuple .Values.image $.Chart.AppVersion) }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           args:
-          {{- if .Values.global.logLevel }}
+          {{- if eq (.Values.global.logLevel | toString) "0" "1" "2" "3" "4" "5" }}
           - --v={{ .Values.global.logLevel }}
           {{- end }}
           {{- if .Values.config }}
diff --git a/deploy/charts/cert-manager/templates/webhook-deployment.yaml b/deploy/charts/cert-manager/templates/webhook-deployment.yaml
index ec640700f..f53a169d8 100644
--- a/deploy/charts/cert-manager/templates/webhook-deployment.yaml
+++ b/deploy/charts/cert-manager/templates/webhook-deployment.yaml
@@ -63,7 +63,7 @@ spec:
           image: "{{ template "image" (tuple .Values.webhook.image $.Chart.AppVersion) }}"
           imagePullPolicy: {{ .Values.webhook.image.pullPolicy }}
           args:
-          {{- if .Values.global.logLevel }}
+          {{- if eq (.Values.global.logLevel | toString) "0" "1" "2" "3" "4" "5" }}
           - --v={{ .Values.global.logLevel }}
           {{- end }}
           {{- if .Values.webhook.config }}