diff --git a/src/Symfony/Component/Security/Core/Authorization/AccessDecisionManager.php b/src/Symfony/Component/Security/Core/Authorization/AccessDecisionManager.php
index 39cca72b7b9bc..9c7c268c75d6f 100644
--- a/src/Symfony/Component/Security/Core/Authorization/AccessDecisionManager.php
+++ b/src/Symfony/Component/Security/Core/Authorization/AccessDecisionManager.php
@@ -42,7 +42,7 @@ class AccessDecisionManager implements AccessDecisionManagerInterface
      */
     public function __construct($voters = [], $strategy = self::STRATEGY_AFFIRMATIVE, $allowIfAllAbstainDecisions = false, $allowIfEqualGrantedDeniedDecisions = true)
     {
-        $strategyMethod = 'decide'.ucfirst($strategy);
+        $strategyMethod = 'doDecide'.ucfirst($strategy);
         if (!\is_callable([$this, $strategyMethod])) {
             throw new \InvalidArgumentException(sprintf('The strategy "%s" is not supported.', $strategy));
         }
@@ -81,7 +81,7 @@ public function decide(TokenInterface $token, array $attributes, $object = null)
      * If all voters abstained from voting, the decision will be based on the
      * allowIfAllAbstainDecisions property value (defaults to false).
      */
-    private function decideAffirmative(TokenInterface $token, array $attributes, $object = null)
+    private function doDecideAffirmative(TokenInterface $token, array $attributes, $object = null)
     {
         $deny = 0;
         foreach ($this->voters as $voter) {
@@ -121,7 +121,7 @@ private function decideAffirmative(TokenInterface $token, array $attributes, $ob
      * If all voters abstained from voting, the decision will be based on the
      * allowIfAllAbstainDecisions property value (defaults to false).
      */
-    private function decideConsensus(TokenInterface $token, array $attributes, $object = null)
+    private function doDecideConsensus(TokenInterface $token, array $attributes, $object = null)
     {
         $grant = 0;
         $deny = 0;
@@ -162,7 +162,7 @@ private function decideConsensus(TokenInterface $token, array $attributes, $obje
      * If all voters abstained from voting, the decision will be based on the
      * allowIfAllAbstainDecisions property value (defaults to false).
      */
-    private function decideUnanimous(TokenInterface $token, array $attributes, $object = null)
+    private function doDecideUnanimous(TokenInterface $token, array $attributes, $object = null)
     {
         $grant = 0;
         foreach ($this->voters as $voter) {