diff --git a/README.md b/README.md
index 92f5d67..a5dc733 100644
--- a/README.md
+++ b/README.md
@@ -222,8 +222,8 @@ kubectl run transfersh --restart=Never --image=dutchcoders/transfer.sh:latest --
 # Manual process of Helm chart deployment
 # if your service is going to run behind nginx or any other proxy then update, proxy-path variable too in deployment.yaml, by-default it is blank.
 
-# manually create needed secrets for deployment params totally aligned with [Usage Params](https://github.com/dutchcoders/transfer.sh#usage-1)
-kubectl create secret generic transfersh-secrets --from-literal=HTTP_AUTH_USER=$HTTP_AUTH_USER --from-literal=HTTP_AUTH_PASS=$HTTP_AUTH_PASS --from-literal=AWS_ACCESS_KEY=$AWS_ACCESS_KEY --from-literal=AWS_SECRET_KEY=$AWS_SECRET_KEY --from-literal=BUCKET=$BUCKET --from-literal=S3_REGION=$S3_REGION --from-literal=PROXY_PATH=$PROXY_PATH
+# Example to manually create needed secrets for deployment params totally aligned with [Usage Params](https://github.com/dutchcoders/transfer.sh#usage-1)
+kubectl create secret generic transfersh-secrets --from-literal=HTTP_AUTH_USER=$HTTP_AUTH_USER --from-literal=HTTP_AUTH_PASS=$HTTP_AUTH_PASS --from-literal=AWS_ACCESS_KEY=$AWS_ACCESS_KEY --from-literal=AWS_SECRET_KEY=$AWS_SECRET_KEY --from-literal=BUCKET=$BUCKET --from-literal=S3_REGION=$S3_REGION --from-literal=PROXY_PATH=$PROXY_PATH --from-literal=PROVIDER=$PROVIDER
 
 cd charts/transfersh
 helm install --debug --name=transfersh transfersh/
diff --git a/charts/transfersh/templates/deployment.yaml b/charts/transfersh/templates/deployment.yaml
index 6afde20..d17f281 100644
--- a/charts/transfersh/templates/deployment.yaml
+++ b/charts/transfersh/templates/deployment.yaml
@@ -27,11 +27,11 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           {{- range .Values.argValues.paramNames }}
           env:
-            - name: {{ . | upper }}
+            - name: {{ . | upper | replace "-" "_" }}
               valueFrom:
                 {{ $keyRefSource }}:
                   name: {{ $keyRefName }}
-                  key: {{ . | upper }}
+                  key: {{ . | upper  | replace "-" "_"}}
           {{- end }}
           args: [ {{- range .Values.argValues.paramNames }} {{ printf "%s%s" $.Values.argIdentifier . | quote}},{{ printf "%s%s%s" "$(" . ")" | upper | replace "-" "_" | quote}},{{- end }} ]
           livenessProbe: