diff --git a/Include/cpython/pystate.h b/Include/cpython/pystate.h
index f005729fff11b6..32f68378ea5d72 100644
--- a/Include/cpython/pystate.h
+++ b/Include/cpython/pystate.h
@@ -218,9 +218,15 @@ struct _ts {
 #  define Py_C_RECURSION_LIMIT 3000
 #elif defined(_Py_ADDRESS_SANITIZER)
 #  define Py_C_RECURSION_LIMIT 4000
+#elif defined(__sparc__)
+   // test_descr crashed on sparc64 with >7000 but let's keep a margin of error.
+#  define Py_C_RECURSION_LIMIT 4000
 #elif defined(__wasi__)
    // Based on wasmtime 16.
 #  define Py_C_RECURSION_LIMIT 5000
+#elif defined(__hppa__) || defined(__powerpc64__)
+   // test_descr crashed with >8000 but let's keep a margin of error.
+#  define Py_C_RECURSION_LIMIT 5000
 #else
    // This value is duplicated in Lib/test/support/__init__.py
 #  define Py_C_RECURSION_LIMIT 10000