diff --git a/src/Composer/DependencyResolver/PoolBuilder.php b/src/Composer/DependencyResolver/PoolBuilder.php
index 9561bb73f..416a8d1dd 100644
--- a/src/Composer/DependencyResolver/PoolBuilder.php
+++ b/src/Composer/DependencyResolver/PoolBuilder.php
@@ -238,6 +238,8 @@ class PoolBuilder
         $this->skippedLoad = array();
         $this->indexCounter = 0;
 
+        Intervals::clear();
+
         return $pool;
     }