X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/9a30e26b7801d63e4ccfe8d36169299c09b89dff..5a8afc787bcaafabd3aee68b6dac341962801b57:/unix/uxstore.c

diff --git a/unix/uxstore.c b/unix/uxstore.c
index 6035113b..5da6ed6a 100644
--- a/unix/uxstore.c
+++ b/unix/uxstore.c
@@ -80,7 +80,7 @@ void provide_xrm_string(char *string)
     memcpy(key, p, q-p);
     key[q-p-1] = '\0';
     xrms->key = key;
-    while (*q && isspace(*q))
+    while (*q && isspace((unsigned char)*q))
 	q++;
     xrms->value = dupstr(q);