Thanks to tarug0 for spotting this!
@@ -817,7 +817,7 @@ newwindow(Client *c, const Arg *a, int noembed)
{
int i = 0;
char tmp[64];
const char *cmd[26], *uri;
const char *cmd[27], *uri;
const Arg arg = { .v = cmd };
cmd[i++] = argv0;
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