diff --git a/simpletest/ErrorTest.php b/simpletest/ErrorTest.php
index d95b0c9..b230980 100644
--- a/simpletest/ErrorTest.php
+++ b/simpletest/ErrorTest.php
@@ -1,4 +1,4 @@
-<?
+<?php
 
 function new_error_callback($params) {
   global $error_callback_worked;
diff --git a/simpletest/ErrorTest_53.php b/simpletest/ErrorTest_53.php
index 1b1f18a..8aafe09 100644
--- a/simpletest/ErrorTest_53.php
+++ b/simpletest/ErrorTest_53.php
@@ -1,4 +1,4 @@
-<?
+<?php
 class ErrorTest_53 extends SimpleTest {
   function test_1_error_handler() {
     global $anonymous_error_callback_worked;
diff --git a/simpletest/HelperTest.php b/simpletest/HelperTest.php
index 3bbf405..496c406 100644
--- a/simpletest/HelperTest.php
+++ b/simpletest/HelperTest.php
@@ -1,4 +1,4 @@
-<?
+<?php
 class HelperTest extends SimpleTest {
   function test_1_verticalslice() {
     $all = DB::query("SELECT * FROM accounts ORDER BY id ASC");
diff --git a/simpletest/TransactionTest.php b/simpletest/TransactionTest.php
index bdb6657..76f1f23 100644
--- a/simpletest/TransactionTest.php
+++ b/simpletest/TransactionTest.php
@@ -1,4 +1,4 @@
-<?
+<?php
 class TransactionTest extends SimpleTest {
   function test_1_transactions() {
     DB::$nested_transactions = false;
diff --git a/simpletest/TransactionTest_55.php b/simpletest/TransactionTest_55.php
index beebb47..a409098 100644
--- a/simpletest/TransactionTest_55.php
+++ b/simpletest/TransactionTest_55.php
@@ -1,4 +1,4 @@
-<?
+<?php
 class TransactionTest_55 extends SimpleTest {
   function test_1_transactions() {
     DB::$nested_transactions = true;
diff --git a/simpletest/WhereClauseTest.php b/simpletest/WhereClauseTest.php
index c867e43..45843d1 100644
--- a/simpletest/WhereClauseTest.php
+++ b/simpletest/WhereClauseTest.php
@@ -1,4 +1,4 @@
-<?
+<?php
 class WhereClauseTest extends SimpleTest {
   function test_1_basic_where() {
     $where = new WhereClause('and');