diff --git a/src/k_pwrlv.c b/src/k_pwrlv.c
index a3d25b50a..84379548a 100644
--- a/src/k_pwrlv.c
+++ b/src/k_pwrlv.c
@@ -356,6 +356,7 @@ INT16 K_FinalPowerIncrement(player_t *player, INT16 yourPower, INT16 baseInc)
 		return 0;
 	}
 
+	SINT8 powerType = K_UsingPowerLevels();
 	for (i = 0; i < MAXPLAYERS; i++)
 	{
 		if (!playeringame[i] || players[i].spectator)
@@ -363,6 +364,13 @@ INT16 K_FinalPowerIncrement(player_t *player, INT16 yourPower, INT16 baseInc)
 			continue;
 		}
 
+		INT16 theirPower = clientpowerlevels[i][powerType];
+		if (theirPower == 0)
+		{
+			// Don't count guests or bots.
+			continue;
+		}
+
 		numPlayers++;
 	}