--- a/testing/marionette/harness/marionette_harness/tests/unit/unit-tests.ini
+++ b/testing/marionette/harness/marionette_harness/tests/unit/unit-tests.ini
@@ -46,17 +46,17 @@ skip-if = appname == 'fennec'
 skip-if = appname == 'fennec' || os == "win" # Bug 1025040
 
 [test_anonymous_content.py]
 skip-if = appname == 'fennec'
 [test_switch_frame.py]
 [test_switch_frame_chrome.py]
 skip-if = appname == 'fennec'
 [test_switch_window_chrome.py]
-skip-if = appname == 'fennec' || headless # Bug 1372434
+skip-if = appname == 'fennec'
 [test_switch_window_content.py]
 
 [test_pagesource.py]
 [test_pagesource_chrome.py]
 skip-if = appname == 'fennec'
 
 [test_visibility.py]
 [test_window_handles_chrome.py]