--- a/devtools/client/debugger/new/test/mochitest/browser.ini
+++ b/devtools/client/debugger/new/test/mochitest/browser.ini
@@ -1,11 +1,12 @@
 [DEFAULT]
 tags = devtools
 subsuite = devtools
+skip-if = (os == 'linux' && debug && bits == 32)
 support-files =
   head.js
   !/devtools/client/commandline/test/helpers.js
   !/devtools/client/framework/test/shared-head.js
   examples/bundle.js
   examples/bundle.js.map
   examples/doc-scripts.html
   examples/doc-script-switching.html