diff --git a/Python/crossinterp_data_lookup.h b/Python/crossinterp_data_lookup.h
index cf84633e10e356..54422ad2335cb6 100644
--- a/Python/crossinterp_data_lookup.h
+++ b/Python/crossinterp_data_lookup.h
@@ -657,6 +657,7 @@ _tuple_shared(PyThreadState *tstate, PyObject *obj, xidata_fallback_t fallback,
     shared->items = (_PyXIData_t **) PyMem_Calloc(shared->len, sizeof(_PyXIData_t *));
     if (shared->items == NULL) {
         PyErr_NoMemory();
+        PyMem_RawFree(shared);
         return -1;
     }