diff --git a/lib/compiler/passes/generate-javascript.js b/lib/compiler/passes/generate-javascript.js
index 6ec7c0e..61a5bce 100644
--- a/lib/compiler/passes/generate-javascript.js
+++ b/lib/compiler/passes/generate-javascript.js
@@ -158,7 +158,7 @@ function generateJavascript(ast, options) {
       '  while (true) {',
       '    while (ip < end) {',
       '      switch (bc[ip]) {',
-      '        case ' + op.PUSH + ':',             // PUSH c
+      '        case ' + op.PUSH + ':',               // PUSH c
       '          stack.push(peg$consts[bc[ip + 1]]);',
       '          ip += 2;',
       '          break;',