diff --git a/tests/template/template_test.php b/tests/template/template_test.php
index 4970ce0363..b7c3a08512 100644
--- a/tests/template/template_test.php
+++ b/tests/template/template_test.php
@@ -46,28 +46,42 @@ class phpbb_template_template_test extends phpbb_template_template_test_case
 				array(),
 				array(),
 				array(),
-				'03',
+				'03!false',
 			),
 			array(
 				'if.html',
 				array('S_VALUE' => true),
 				array(),
 				array(),
-				'1',
+				'1!false',
 			),
 			array(
 				'if.html',
 				array('S_VALUE' => true, 'S_OTHER_VALUE' => true),
 				array(),
 				array(),
-				'1',
+				'1!false',
 			),
 			array(
 				'if.html',
 				array('S_VALUE' => false, 'S_OTHER_VALUE' => true),
 				array(),
 				array(),
-				'2',
+				'2!false',
+			),
+			array(
+				'if.html',
+				array('S_TEST' => false),
+				array(),
+				array(),
+				'03false',
+			),
+			array(
+				'if.html',
+				array('S_TEST' => 0),
+				array(),
+				array(),
+				'03!false',
 			),
 			array(
 				'loop.html',
diff --git a/tests/template/templates/if.html b/tests/template/templates/if.html
index eed431019e..c010aff7fa 100644
--- a/tests/template/templates/if.html
+++ b/tests/template/templates/if.html
@@ -9,3 +9,11 @@
 <!-- IF S_VALUE and S_OTHER_VALUE and (S_VALUE > S_OTHER_VALUE) -->
 04
 <!-- ENDIF -->
+
+<!-- IF S_TEST === false -->
+false
+<!-- ENDIF -->
+
+<!-- IF S_TEST !== false -->
+!false
+<!-- ENDIF -->