diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index 92e5c89398..534073b3ff 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -819,7 +819,7 @@ public abstract class PlayerList {
         this.operators.add(s.toLowerCase());
 
         // CraftBukkit start
-        Player player = server.server.getPlayer(s);
+        Player player = server.server.getPlayerExact(s);
         if (player != null) {
             player.recalculatePermissions();
         }
@@ -830,7 +830,7 @@ public abstract class PlayerList {
         this.operators.remove(s.toLowerCase());
 
         // CraftBukkit start
-        Player player = server.server.getPlayer(s);
+        Player player = server.server.getPlayerExact(s);
         if (player != null) {
             player.recalculatePermissions();
         }