diff --git a/code/modules/admin/player_panel.dm b/code/modules/admin/player_panel.dm
index f412f9d5a72..6f6f72af472 100644
--- a/code/modules/admin/player_panel.dm
+++ b/code/modules/admin/player_panel.dm
@@ -274,6 +274,8 @@
 				else
 					M_job = "Ghost"
 
+			var/M_ip_address = isnull(M.lastKnownIP) ? "+localhost+" : M.lastKnownIP
+
 			var/M_name = html_encode(M.name)
 			var/M_rname = html_encode(M.real_name)
 			var/M_rname_as_key = html_encode(ckey(M.real_name)) // so you can ignore punctuation
@@ -304,7 +306,7 @@
 						<span hidden id="data[i]_rname_as_key">[M_rname_as_key]</span>
 						<span hidden id="data[i]_prevnames">[previous_names]</span>
 						<span hidden id="data[i]_key">[M_key]</span>
-						<span hidden id="data[i]_lastip">[M.lastKnownIP]</span>
+						<span hidden id="data[i]_lastip">[M_ip_address]</span>
 						<span hidden id="data[i]_isantag">[is_antagonist]</span>
 						<span hidden id="data[i]_ref">[REF(M)]</span>
 						</a>