--- a/content/media/test/Makefile.in
+++ b/content/media/test/Makefile.in
@@ -125,17 +125,16 @@ MOCHITEST_FILES = \
 		test_mozHasAudio.html \
 		test_source_media.html \
 		test_autoplay_contentEditable.html \
 		test_decoder_disable.html \
 		test_mediarecorder_record_no_timeslice.html \
 		test_mediarecorder_reload_crash.html \
 		test_mediarecorder_record_immediate_stop.html \
 		test_mediarecorder_record_session.html \
-		test_media_selection.html \
 		test_playback.html \
 		test_seekLies.html \
 		test_media_sniffer.html \
 		contentType.sjs \
 		test_streams_srcObject.html \
 		test_reset_src.html \
 		test_streams_autoplay.html \
 		test_streams_element_capture.html \
@@ -174,27 +173,30 @@ endif
 #		test_audioDocumentTitle.html
 
 # The below tests are disabled on Windows due to frequent timeouts.
 # Bug 832768 and Bug 864682:
 #		test_buffered.html
 #		test_bug465498.html
 # Bug 707777:
 #		test_bug493187.html
+# Bug 897843:
+#		test_media_selection.html
 # Bug 832678, bug 795271, and bug 857424
 #		test_seek.html
 # Bug 832768, bug 814533, bug 840742
 #		test_playback_rate.html
 # Bug 751539
 #		test_played.html
 ifneq ($(OS_ARCH), WINNT)
 MOCHITEST_FILES += \
 		test_buffered.html \
 		test_bug465498.html \
 		test_bug493187.html \
+		test_media_selection.html \
 		test_seek.html \
 		test_playback_rate.html \
 		test_played.html \
 		$(NULL)
 endif
 
 # sample files
 MOCHITEST_FILES += \