diff --git a/browser/extensions/pdfjs/test/browser.ini b/browser/extensions/pdfjs/test/browser.ini
index 3a27c0d7cf0..03df8d19820 100644
--- a/browser/extensions/pdfjs/test/browser.ini
+++ b/browser/extensions/pdfjs/test/browser.ini
@@ -3,7 +3,7 @@ skip-if = e10s # Bug 942707 - PDF viewer doesn't work with e10s.
 support-files = file_pdfjs_test.pdf
 
 [browser_pdfjs_main.js]
-skip-if = (os == "mac" && debug) # Bug 963075 - leaks when run in chunked mochitest-bc mode
+skip-if = (os == "mac" && debug) || os == "win" # Bug 963075 - leaks when run in chunked mochitest-bc mode
 [browser_pdfjs_savedialog.js]
 [browser_pdfjs_views.js]
-skip-if = (os == "mac" && debug) # Bug 963075 - leaks when run in chunked mochitest-bc mode
+skip-if = (os == "mac" && debug) || os == "win" # Bug 963075 - leaks when run in chunked mochitest-bc mode