diff --git a/Src/IronPython/Compiler/Ast/ClassDefinition.cs b/Src/IronPython/Compiler/Ast/ClassDefinition.cs
index 03008edc6..1b126d4fe 100644
--- a/Src/IronPython/Compiler/Ast/ClassDefinition.cs
+++ b/Src/IronPython/Compiler/Ast/ClassDefinition.cs
@@ -299,7 +299,7 @@ private Microsoft.Scripting.Ast.LightExpression<Func<CodeContext, CodeContext>>
             MSAst.Expression? docStmt = null;
             string? doc = GetDocumentation(Body);
             if (doc is not null) {
-                docStmt = SetLocalName("__doc__", Ast.Constant(doc, typeof(object)));
+                docStmt = SetLocalName("__doc__", Ast.Constant(doc, typeof(string)));
             }
 
             // Create the body
diff --git a/Tests/test_regressions.py b/Tests/test_regressions.py
index bb7165e09..c3408a8e0 100644
--- a/Tests/test_regressions.py
+++ b/Tests/test_regressions.py
@@ -824,24 +824,6 @@ class SomeOtherError(SomeError, IOError):
         except SomeOtherError:
             pass
 
-
-    @unittest.skipIf(is_netcoreapp, 'no clr.CompileModules')
-    @skipUnlessIronPython()
-    def test_gh1357(self):
-        filename = os.path.join(self.temporary_dir, 'gh1357_%d.py' % os.getpid())
-        dll = os.path.join(self.temporary_dir, "test_%d.dll" % os.getpid())
-        with open(filename, 'w') as f:
-            f.write('{(1,): None}')
-
-        import clr
-        try:
-            clr.CompileModules(dll, filename)
-        except:
-            Fail('Failed to compile the specified file')
-        finally:
-            os.unlink(filename)
-            os.unlink(dll)
-
     @skipUnlessIronPython()
     def test_gh1435(self):
         import clr
diff --git a/Tests/test_regressions_compiled.py b/Tests/test_regressions_compiled.py
index 1b15cb94b..1fb109680 100644
--- a/Tests/test_regressions_compiled.py
+++ b/Tests/test_regressions_compiled.py
@@ -6,11 +6,49 @@
 Test issues related to compiled code.
 """
 
-from iptest import IronPythonTestCase, run_test
+import os
+import unittest
+
+from iptest import IronPythonTestCase, is_netcoreapp, skipUnlessIronPython, run_test
 
 class RegressionCompiledTest(IronPythonTestCase):
     def test_gh_ipy2_563(self):
         """https://github.com/IronLanguages/ironpython2/issues/563"""
         eval('3.14')
 
+    @unittest.skipIf(is_netcoreapp, 'no clr.CompileModules')
+    @skipUnlessIronPython()
+    def test_gh1357(self):
+        filename = os.path.join(self.temporary_dir, 'gh1357_%d.py' % os.getpid())
+        dll = os.path.join(self.temporary_dir, "test_%d.dll" % os.getpid())
+        with open(filename, 'w') as f:
+            f.write('{(1,): None}')
+
+        import clr
+        try:
+            clr.CompileModules(dll, filename)
+        except:
+            Fail('Failed to compile the specified file')
+        finally:
+            os.unlink(filename)
+            os.unlink(dll)
+
+    @unittest.skipIf(is_netcoreapp, 'no clr.CompileModules')
+    @skipUnlessIronPython()
+    def test_ipy3_gh1601(self):
+        filename = os.path.join(self.temporary_dir, 'test_ipy3_gh1601_%d.py' % os.getpid())
+        dll = os.path.join(self.temporary_dir, "test_ipy3_gh1601_%d.dll" % os.getpid())
+        with open(filename, 'w') as f:
+            f.write('class MyClass:\n')
+            f.write('    """description"""\n')
+
+        import clr
+        try:
+            clr.CompileModules(dll, filename)
+        except:
+            Fail('Failed to compile the specified file')
+        finally:
+            os.unlink(filename)
+            os.unlink(dll)
+
 run_test(__name__)