diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
index dfcac3a..6b3eecb 100644
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -70,6 +70,8 @@
 {{- define "app.db.database" -}}
     {{- if .Values.db.database -}}
       {{- .Values.db.database -}}
+    {{- else if .Values.global.db.databasePrefix -}}
+        {{.Values.global.db.databasePrefix}}_{{ include "app.fullname" $ | replace "-" "_" }}
     {{- else -}}
         {{ include "app.fullname" $ | replace "-" "_" }}
     {{- end -}}
diff --git a/tests/db-prefix.yaml b/tests/db-prefix.yaml
new file mode 100644
index 0000000..d85cfb5
--- /dev/null
+++ b/tests/db-prefix.yaml
@@ -0,0 +1,6 @@
+name: svc
+global:
+  db:
+    databasePrefix: customprefix
+db:
+  enabled: true
diff --git a/tests/db.yaml b/tests/db.yaml
index ab64795..a86a82e 100644
--- a/tests/db.yaml
+++ b/tests/db.yaml
@@ -1,2 +1,3 @@
+name: svc
 db:
   enabled: true
diff --git a/values.yaml b/values.yaml
index 0551a9c..4fceed0 100644
--- a/values.yaml
+++ b/values.yaml
@@ -11,6 +11,7 @@ global:
   db:
     port:
     host:
+    databasePrefix:
 
   # node selector for the pods
   nodeSelector: