diff --git a/src/babel/generation/generators/expressions.js b/src/babel/generation/generators/expressions.js
index cfc6b3d541..e813f188b1 100644
--- a/src/babel/generation/generators/expressions.js
+++ b/src/babel/generation/generators/expressions.js
@@ -79,7 +79,7 @@ export function CallExpression(node, print) {
 
   var separator = ",";
 
-  if (node._prettyCall) {
+  if (node._prettyCall && !this.format.retainLines) {
     separator += "\n";
     this.newline();
     this.indent();