--- a/testing/mozharness/configs/single_locale/tc_linux32.py
+++ b/testing/mozharness/configs/single_locale/tc_linux32.py
@@ -1,14 +1,14 @@
 import os
 
 config = {
     "locales_file": "src/browser/locales/all-locales",
     "tools_repo": "https://hg.mozilla.org/build/tools",
-    "mozconfig": "src/browser/config/mozconfigs/linux64/l10n-mozconfig",
+    "mozconfig": "src/browser/config/mozconfigs/linux32/l10n-mozconfig",
     "bootstrap_env": {
         "NO_MERCURIAL_SETUP_CHECK": "1",
         "MOZ_OBJDIR": "obj-l10n",
         "EN_US_BINARY_URL": "%(en_us_binary_url)s",
         "LOCALE_MERGEDIR": "%(abs_merge_dir)s/",
         "MOZ_UPDATE_CHANNEL": "%(update_channel)s",
         "DIST": "%(abs_objdir)s",
         "LOCALE_MERGEDIR": "%(abs_merge_dir)s/",