diff --git a/src/PhpWord/TemplateProcessor.php b/src/PhpWord/TemplateProcessor.php
index 7efc0f1a..96b379c1 100644
--- a/src/PhpWord/TemplateProcessor.php
+++ b/src/PhpWord/TemplateProcessor.php
@@ -1085,7 +1085,7 @@ class TemplateProcessor
     {
         $results = array();
         for ($i = 1; $i <= $count; $i++) {
-            $results[] = preg_replace('/\$\{(.*?)\}/', '\${\\1#' . $i . '}', $xmlBlock);
+            $results[] = preg_replace('/\$\{(.*?)(:.*)?\}/', '\${\1#' . $i . '\2}', $xmlBlock);
         }
 
         return $results;
diff --git a/tests/PhpWord/_includes/AbstractWebServerEmbeddedTest.php b/tests/PhpWord/_includes/AbstractWebServerEmbeddedTest.php
index 9316a9fe..39714365 100644
--- a/tests/PhpWord/_includes/AbstractWebServerEmbeddedTest.php
+++ b/tests/PhpWord/_includes/AbstractWebServerEmbeddedTest.php
@@ -26,7 +26,7 @@ abstract class AbstractWebServerEmbeddedTest extends \PHPUnit\Framework\TestCase
     public static function setUpBeforeClass()
     {
         if (self::isBuiltinServerSupported()) {
-            self::$httpServer = new Process('php -S localhost:8080 -t tests/PhpWord/_files');
+            self::$httpServer = new Process(array('php', '-S', 'localhost:8080', '-t', 'tests/PhpWord/_files'));
             self::$httpServer->start();
             while (!self::$httpServer->isRunning()) {
                 usleep(1000);