diff --git a/package.json b/package.json
index a9fb513e..696d1234 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,8 @@
       "displayLabel": true,
       "displayTimestamp": false,
       "underlineLabel": true,
-      "underlineMessage": false
+      "underlineMessage": false,
+      "underlinePrefix": false
     }
   },
   "xo": {
diff --git a/signale.js b/signale.js
index 89133876..68c57564 100644
--- a/signale.js
+++ b/signale.js
@@ -144,7 +144,11 @@ class Signale {
     const signale = this._meta();
 
     if (additional.prefix) {
-      signale.push(additional.prefix);
+      if (this._config.underlinePrefix) {
+        signale.push(chalk.underline(additional.prefix));
+      } else {
+        signale.push(additional.prefix);
+      }
     }
 
     if (this._config.displayBadge && type.badge) {