diff --git a/lib/php/lib/Exception/TException.php b/lib/php/lib/Exception/TException.php
index 7dbf832..228d761 100644
--- a/lib/php/lib/Exception/TException.php
+++ b/lib/php/lib/Exception/TException.php
@@ -52,7 +52,7 @@
                 }
             }
         } else {
-            parent::__construct($p1, $p2);
+            parent::__construct((string)$p1, $p2);
         }
     }
 
diff --git a/lib/php/src/Thrift.php b/lib/php/src/Thrift.php
index 4fe4392..0364c90 100644
--- a/lib/php/src/Thrift.php
+++ b/lib/php/src/Thrift.php
@@ -82,7 +82,7 @@
         }
       }
     } else {
-      parent::__construct($p1, $p2);
+      parent::__construct((string)$p1, $p2);
     }
   }