diff --git a/Lib/test/test_sqlite3/test_userfunctions.py b/Lib/test/test_sqlite3/test_userfunctions.py
index 67a13ad38b..d8b8c0a40e 100644
--- a/Lib/test/test_sqlite3/test_userfunctions.py
+++ b/Lib/test/test_sqlite3/test_userfunctions.py
@@ -24,6 +24,7 @@
 import sys
 import unittest
 import sqlite3 as sqlite
+import test.support
 
 from unittest.mock import Mock, patch
 from test.support import bigmemtest, gc_collect
@@ -35,6 +36,10 @@
 class CustomException(Exception):
     pass
 
+class EvilException(Exception):
+    def __str__(self):
+        return -1
+
 def func_returntext():
     return "foo"
 def func_returntextwithnull():
@@ -53,6 +58,8 @@ def func_returnlonglong():
     return 1<<31
 def func_raiseexception():
     raise CustomException("func except")
+def func_raiseevil():
+    raise EvilException("my __str__() does not return a string")
 def func_memoryerror():
     raise MemoryError
 def func_overflowerror():
@@ -162,6 +169,7 @@ def setUp(self):
         self.con.create_function("return_noncont_blob", 0,
                                  lambda: memoryview(b"blob")[::2])
         self.con.create_function("raiseexception", 0, func_raiseexception)
+        self.con.create_function("raiseevil", 0, func_raiseevil)
         self.con.create_function("memoryerror", 0, func_memoryerror)
         self.con.create_function("overflowerror", 0, func_overflowerror)
 
@@ -265,6 +273,18 @@ def test_func_exception(self):
             cur.execute("select raiseexception()")
             cur.fetchone()
 
+    @with_tracebacks(EvilException, name="func_raiseevil")
+    def test_func_evilexception(self):
+        cur = self.con.cursor()
+        # Since it is impossible to fetch a string with the exception message
+        # from EvilException, we will only receive the generic preamble
+        # exception message, hence the detailed regex.
+        msg = "^user-defined function raised exception$"
+        with self.assertRaisesRegex(sqlite.OperationalError, msg):
+            with test.support.catch_unraisable_exception() as cm:
+                cur.execute("select raiseevil()")
+                cur.fetchone()
+
     @with_tracebacks(MemoryError, name="func_memoryerror")