diff --git a/lib/php/src/Thrift.php b/lib/php/src/Thrift.php
index a47f4aa..fdec97f 100644
--- a/lib/php/src/Thrift.php
+++ b/lib/php/src/Thrift.php
@@ -175,13 +175,13 @@
           $xfer += $elem->read($input);
           break;
         case TType::MAP:
-          $xfer += $this->_readMap($key, $espec, $input);
+          $xfer += $this->_readMap($elem, $espec, $input);
           break;
         case TType::LST:
-          $xfer += $this->_readList($key, $espec, $input, false);
+          $xfer += $this->_readList($elem, $espec, $input, false);
           break;
         case TType::SET:
-          $xfer += $this->_readList($key, $espec, $input, true);
+          $xfer += $this->_readList($elem, $espec, $input, true);
           break;
         }
       }
@@ -457,13 +457,13 @@
           $xfer += $key->read($input);
           break;
         case TType::MAP:
-          $xfer += $this->_readMap($key, $kspec, $input);
+          $xfer += $this->_readMap($elem, $kspec, $input);
           break;
         case TType::LST:
-          $xfer += $this->_readList($key, $kspec, $input, false);
+          $xfer += $this->_readList($elem, $kspec, $input, false);
           break;
         case TType::SET:
-          $xfer += $this->_readList($key, $kspec, $input, true);
+          $xfer += $this->_readList($elem, $kspec, $input, true);
           break;
         }
       }