diff --git a/index.js b/index.js
index 3a2edb5..52db3c0 100644
--- a/index.js
+++ b/index.js
@@ -563,8 +563,8 @@ WA.prototype.getExerciseText = function printExercise (specifier, contentOnly, c
       }
       if (!contentOnly) {
         stream.append(exercise.footer, this.options.defaultOutputType) ||
-        stream.append(this.options.footer, this.options.defaultOutputType) &&
-        stream.append('\n')
+          (stream.append(this.options.footer, this.options.defaultOutputType) &&
+          stream.append('\n'))
       }
       callback(null, stream)
     }.bind(this))
diff --git a/package.json b/package.json
index 53e3a4c..e7f4b0d 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "example": "examples"
   },
   "devDependencies": {
-    "standard": "^8.6.0"
+    "standard": "^9.0.0"
   },
   "scripts": {
     "test": "standard"