diff --git a/src/patch/create.js b/src/patch/create.js
index 0dbd0c9d..0579e56f 100644
--- a/src/patch/create.js
+++ b/src/patch/create.js
@@ -2,10 +2,13 @@ import {diffLines} from '../diff/line';
 
 export function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
   if (!options) {
-    options = { context: 4 };
+    options = {};
+  }
+  if (typeof options.context === 'undefined') {
+    options.context = 4;
   }
 
-  const diff = diffLines(oldStr, newStr);
+  const diff = diffLines(oldStr, newStr, options);
   diff.push({value: '', lines: []});   // Append an empty value to make cleanup easier
 
   function contextLines(lines) {