diff --git a/utils/gn/build/symbol_exports.py b/utils/gn/build/symbol_exports.py
index 442eb818c23..a5d1abbe531 100755
--- a/utils/gn/build/symbol_exports.py
+++ b/utils/gn/build/symbol_exports.py
@@ -25,17 +25,17 @@ def main():
     symbols = open(args.source).readlines()
 
     if args.format == 'linux':
-      output_lines = ['FOO {\n']
-      if symbols:
-        output_lines += (['  global:\n',] +
-                         ['    %s;\n' % s.rstrip() for s in symbols])
-      output_lines += ['  local: *;\n',
-                       '}\n']
+        output_lines = ['FOO {\n']
+        if symbols:
+            output_lines += (['  global:\n',] +
+                             ['    %s;\n' % s.rstrip() for s in symbols])
+        output_lines += ['  local: *;\n',
+                         '}\n']
     elif args.format == 'mac':
-      output_lines = ['_' + s for s in symbols]
+        output_lines = ['_' + s for s in symbols]
     else:
-      assert args.format == 'win'
-      output_lines = ['EXPORTS\n'] + ['  ' + s for s in symbols]
+        assert args.format == 'win'
+        output_lines = ['EXPORTS\n'] + ['  ' + s for s in symbols]
 
     open(args.output, 'w').writelines(output_lines)