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diff --git a/scp.c b/scp.c
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index 60682c68..9344806e 100644
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--- a/scp.c
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+++ b/scp.c
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@@ -714,7 +714,9 @@ toremote(int argc, char **argv)
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 			addargs(&alist, "%s", host);
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 			addargs(&alist, "%s", cmd);
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 			addargs(&alist, "%s", src);
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-			addargs(&alist, "%s%s%s:%s",
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+			addargs(&alist,
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+			    /* IPv6 address needs to be enclosed with sqare brackets */
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+			    strchr(host, ':') != NULL ? "%s%s[%s]:%s" : "%s%s%s:%s",
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 			    tuser ? tuser : "", tuser ? "@" : "",
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 			    thost, targ);
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 			if (do_local_cmd(&alist) != 0)
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