diff --git a/lldb/test/API/lang/c/non-mangled/TestCNonMangled.py b/lldb/test/API/lang/c/non-mangled/TestCNonMangled.py
index b10a3d6da30a1..6f7ef247b063a 100644
--- a/lldb/test/API/lang/c/non-mangled/TestCNonMangled.py
+++ b/lldb/test/API/lang/c/non-mangled/TestCNonMangled.py
@@ -1,10 +1,8 @@
 import lldbsuite.test.lldbutil as lldbutil
 from lldbsuite.test.lldbtest import *
-from lldbsuite.test.decorators import skipIfWindows
 
 
 class TestCase(TestBase):
-    @skipIfWindows
     def test_functions_having_dlang_mangling_prefix(self):
         """
         Ensure C functions with a '_D' prefix alone are not mistakenly treated
@@ -13,5 +11,14 @@ def test_functions_having_dlang_mangling_prefix(self):
         """
         self.build()
         _, _, thread, _ = lldbutil.run_to_name_breakpoint(self, "_Dfunction")
-        symbol = thread.frame[0].symbol
-        self.assertEqual(symbol.GetDisplayName(), "_Dfunction")
+        frame = thread.frame[0]
+
+        symbol = frame.symbol
+        # On Windows the function does not have an associated symbol.
+        if symbol.IsValid():
+            self.assertFalse(symbol.mangled)
+            self.assertEqual(symbol.GetDisplayName(), "_Dfunction")
+
+        function = frame.function
+        self.assertFalse(function.mangled)
+        self.assertEqual(function.GetDisplayName(), "_Dfunction")