diff --git a/src/zr/zombiereloaded.inc b/src/zr/zombiereloaded.inc
index 4d41094..e8066ec 100644
--- a/src/zr/zombiereloaded.inc
+++ b/src/zr/zombiereloaded.inc
@@ -301,7 +301,7 @@ stock bool:ZRCountValidClients(&zombiecount = 0, &humancount = 0, bool:alive = t
 stock bool:ZRIsClientOnTeam(client, team = -1)
 {
     // If index is invalid, then stop.
-    if (!ZRIsClientValid(client))
+    if (!ZRIsClientValid(client) || !IsClientInGame(client))
     {
         return false;
     }