diff --git a/src/Printer/BetterStandardPrinter.php b/src/Printer/BetterStandardPrinter.php
index 587aef7b18f..0c2cb10cf7e 100644
--- a/src/Printer/BetterStandardPrinter.php
+++ b/src/Printer/BetterStandardPrinter.php
@@ -24,24 +24,24 @@ final class BetterStandardPrinter extends Standard
     }
 
     /**
-     * Do not add () on Expressions
+     * Do not add "()" on Expressions
      * @see https://github.com/rectorphp/rector/pull/401#discussion_r181487199
      */
-    protected function pExpr_Yield(Yield_ $yieldNode)
+    protected function pExpr_Yield(Yield_ $yieldNode): string
     {
         if ($yieldNode->value === null) {
             return 'yield';
-        } else {
-            $parentNode = $yieldNode->getAttribute(Attribute::PARENT_NODE);
-            $yieldContent = 'yield '
-                . ($yieldNode->key !== null ? $this->p($yieldNode->key) . ' => ' : '')
-                . $this->p($yieldNode->value);
-
-            if (! $parentNode instanceof Expression) {
-                return $yieldContent;
-            }
-
-            return '(' . $yieldContent . ')';
         }
+
+        $parentNode = $yieldNode->getAttribute(Attribute::PARENT_NODE);
+        $shouldAddBrackets = $parentNode instanceof Expression;
+
+        return sprintf(
+            '%syield %s%s%s',
+            $shouldAddBrackets ? '(' : '',
+            $yieldNode->key !== null ? $this->p($yieldNode->key) . ' => ' : '',
+            $this->p($yieldNode->value),
+            $shouldAddBrackets ? ')' : ''
+        );
     }
 }