diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 97d73356f..2345ef63a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,6 +33,9 @@ jobs:
           - python-version: "3.10"
             with-opt-deps: false
             runs-on: ubuntu-22.04
+          - python-version: "pypy-3.10"
+            with-opt-deps: false
+            runs-on: ubuntu-22.04
 
           - python-version: "3.9"
             with-opt-deps: true
diff --git a/plugins/Math/test.py b/plugins/Math/test.py
index 22578c9ed..160d8f768 100644
--- a/plugins/Math/test.py
+++ b/plugins/Math/test.py
@@ -141,9 +141,10 @@ def testCalcStrFloat(self):
 
     def testCalcMemoryError(self):
         self.assertRegexp('calc ' + '('*10000,
-            '(too much recursion'  # cpython < 3.10
-            '|too many nested parentheses'  # cpython >= 3.10
-            '|parenthesis is never closed)'  # pypy
+            r"(too much recursion"  # cpython < 3.10
+            r"|too many nested parentheses"  # cpython >= 3.10
+            r"|parenthesis is never closed"  # pypy for python < 3.10
+            r"|'\(' was never closed)"  # pypy for python >= 3.10
         )
 
     def testICalc(self):