X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a3cf8dca335f4a364a84c6144d4747c2429575a4..6c2cd2a2116c5eff1646e0acb7cad2c887300300:/src/msw/gsocket.cpp

diff --git a/src/msw/gsocket.cpp b/src/msw/gsocket.cpp
index 2830549071..8cc501a98e 100644
--- a/src/msw/gsocket.cpp
+++ b/src/msw/gsocket.cpp
@@ -1465,7 +1465,7 @@ GSocketError GAddress_INET6_SetPortName(GAddress *address, const char *port,
   se = getservbyname(port, protocol);
   if (!se)
   {
-    if (isdigit(port[0]))
+    if (isdigit((unsigned char) port[0]))
     {
       int port_int;