diff --git a/Zend/tests/bug35655.phpt b/Zend/tests/bug35655.phpt
index bbb137799a3..47e7a7bd7e2 100644
--- a/Zend/tests/bug35655.phpt
+++ b/Zend/tests/bug35655.phpt
@@ -6,6 +6,7 @@ highlight.comment = #FF8000
 highlight.keyword = #007700
 highlight.default = #0000BB
 highlight.html    = #000000
+--WHITESPACE_SENSITIVE--
 --FILE--
 <?php
 $code = '
diff --git a/Zend/tests/nowdoc_013.phpt b/Zend/tests/nowdoc_013.phpt
index 3e7d41fe075..61543f74e3b 100644
--- a/Zend/tests/nowdoc_013.phpt
+++ b/Zend/tests/nowdoc_013.phpt
@@ -6,6 +6,7 @@ highlight.comment = #FF8000
 highlight.keyword = #007700
 highlight.default = #0000BB
 highlight.html    = #000000
+--WHITESPACE_SENSITIVE--
 --FILE--
 <?php
 $code = <<<'EOF'
diff --git a/run-tests.php b/run-tests.php
index 4de196d39d7..1e5287ed5db 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -1827,7 +1827,7 @@ TEST $file
 				'CAPTURE_STDIO', 'STDIN', 'CGI', 'PHPDBG',
 				'INI', 'ENV', 'EXTENSIONS',
 				'SKIPIF', 'XFAIL', 'XLEAK', 'CLEAN',
-				'CREDITS', 'DESCRIPTION', 'CONFLICTS',
+				'CREDITS', 'DESCRIPTION', 'CONFLICTS', 'WHITESPACE_SENSITIVE',
 			))) {
 				$bork_info = 'Unknown section "' . $section . '"';
 			}