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-rw-r--r--Modules/_ssl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index bd22f16fae..8aaaa3212c 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -3086,7 +3086,7 @@ _ssl__SSLContext__set_alpn_protocols_impl(PySSLContext *self,
/*[clinic end generated code: output=87599a7f76651a9b input=9bba964595d519be]*/
{
#ifdef HAVE_ALPN
- if (protos->len > UINT_MAX) {
+ if ((size_t)protos->len > UINT_MAX) {
PyErr_Format(PyExc_OverflowError,
"protocols longer than %d bytes", UINT_MAX);
return NULL;