diff --git a/lib/compiler.js b/lib/compiler.js
index 52d860d..1aab955 100644
--- a/lib/compiler.js
+++ b/lib/compiler.js
@@ -998,11 +998,7 @@ PEG.Compiler = {
       "        return { line: line, column: column };",
       "      }",
       "      ",
-      "      var initialContext = {",
-      "        reportMatchFailures: true",
-      "      };",
-      "      ",
-      "      var result = parse_${startRule}(initialContext);",
+      "      var result = parse_${startRule}({ reportMatchFailures: true });",
       "      ",
       "      /*",
       "       * The parser is now in one of the following three states:",
diff --git a/lib/metagrammar.js b/lib/metagrammar.js
index e81e0e6..57c586c 100644
--- a/lib/metagrammar.js
+++ b/lib/metagrammar.js
@@ -3392,11 +3392,7 @@ PEG.grammarParser = (function(){
         return { line: line, column: column };
       }
       
-      var initialContext = {
-        reportMatchFailures: true
-      };
-      
-      var result = parse_grammar(initialContext);
+      var result = parse_grammar({ reportMatchFailures: true });
       
       /*
        * The parser is now in one of the following three states: