diff --git a/package.json b/package.json
index 696d1234..66b0a30c 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,8 @@
       "displayTimestamp": false,
       "underlineLabel": true,
       "underlineMessage": false,
-      "underlinePrefix": false
+      "underlinePrefix": false,
+      "underlineSuffix": false
     }
   },
   "xo": {
diff --git a/signale.js b/signale.js
index 68c57564..22a49a5c 100644
--- a/signale.js
+++ b/signale.js
@@ -181,7 +181,11 @@ class Signale {
     }
 
     if (additional.suffix) {
-      signale.push(additional.suffix);
+      if (this._config.underlineSuffix) {
+        signale.push(chalk.underline(additional.suffix));
+      } else {
+        signale.push(additional.suffix);
+      }
     }
 
     return signale.join(' ');