diff --git a/src/bootstrap/bootstrap_test.py b/src/bootstrap/bootstrap_test.py
index 20bd71f06e9..6717eb21012 100644
--- a/src/bootstrap/bootstrap_test.py
+++ b/src/bootstrap/bootstrap_test.py
@@ -107,10 +107,9 @@ class GenerateAndParseConfig(unittest.TestCase):
         build = self.serialize_and_parse(["--set", "target.x86_64-unknown-linux-gnu.cc=gcc"])
         self.assertEqual(build.get_toml("cc", section="target.x86_64-unknown-linux-gnu"), 'gcc')
 
-    # Uncomment when #108928 is fixed.
-    # def test_set_top_level(self):
-    #     build = self.serialize_and_parse(["--set", "profile=compiler"])
-    #     self.assertEqual(build.get_toml("profile"), 'compiler')
+    def test_set_top_level(self):
+        build = self.serialize_and_parse(["--set", "profile=compiler"])
+        self.assertEqual(build.get_toml("profile"), 'compiler')
 
 if __name__ == '__main__':
     SUITE = unittest.TestSuite()
diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
index abd28b4005d..5937d5a8cdd 100755
--- a/src/bootstrap/configure.py
+++ b/src/bootstrap/configure.py
@@ -475,7 +475,7 @@ def configure_section(lines, config):
 def configure_top_level_key(lines, top_level_key, value):
     for i, line in enumerate(lines):
         if line.startswith('#' + top_level_key + ' = ') or line.startswith(top_level_key + ' = '):
-            lines[i] = "{} = {}".format(top_level_key, value)
+            lines[i] = "{} = {}".format(top_level_key, to_toml(value))
             return
 
     raise RuntimeError("failed to find config line for {}".format(top_level_key))