diff --git a/build.py b/build.py
index 0ac8efd23..a26d1a78c 100755
--- a/build.py
+++ b/build.py
@@ -266,6 +266,7 @@ goog.provide('Blockly.Mutator');
     # with the compiler.
     params.append(("js_code", """
 goog.provide('Blockly.Generator');
+goog.provide('Blockly.utils.global');
 goog.provide('Blockly.utils.string');
 """))
     filenames = glob.glob(
@@ -280,7 +281,7 @@ goog.provide('Blockly.utils.string');
 
     # Remove Blockly.Generator and Blockly.utils.string to be compatible
     # with Blockly.
-    remove = r"var Blockly=\{[^;]*\};\s*Blockly.utils.string={};\n?"
+    remove = r"var Blockly=\{[^;]*\};\s*Blockly.utils.global={};\s*Blockly.utils.string={};\n?"
     self.do_compile(params, target_filename, filenames, remove)
 
   def do_compile(self, params, target_filename, filenames, remove):
diff --git a/gulpfile.js b/gulpfile.js
index b6bc06afc..4e96cd278 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -173,6 +173,7 @@ goog.provide('Blockly.Mutator');`;
 function buildGenerator(language, namespace) {
   var provides = `
 goog.provide('Blockly.Generator');
+goog.provide('Blockly.utils.global');
 goog.provide('Blockly.utils.string');`;
   return gulp.src([`generators/${language}.js`, `generators/${language}/*.js`], {base: './'})
     .pipe(stripApacheLicense())
@@ -185,7 +186,7 @@ goog.provide('Blockly.utils.string');`;
     }, argv.verbose))
     .pipe(gulp.replace('\'use strict\';', '\'use strict\';\n\n\n'))
     // Remove Blockly.Generator and Blockly.utils.string to be compatible with Blockly.
-    .pipe(gulp.replace(/var Blockly=\{[^;]*\};\s*Blockly.utils.string={};\n?/, ''))
+    .pipe(gulp.replace(/var Blockly=\{[^;]*\};\s*Blockly.utils.global={};\s*Blockly.utils.string={};\n?/, ''))
     .pipe(prependHeader())
     .pipe(gulp.dest('./'));
 };