diff -r d9b28dbb04f2 -r 28f802837a7a MozillaFirefox/firefox-esr.spec
--- a/MozillaFirefox/firefox-esr.spec	Wed Apr 26 14:34:14 2017 +0200
+++ b/MozillaFirefox/firefox-esr.spec	Fri Apr 28 20:02:15 2017 +0200
@@ -148,6 +148,7 @@
 Source15:       firefox-appdata.xml
 Source16:       firefox-esr.changes
 Source17:       l10n_changesets.txt
+Source18:       mozilla-api-key
 # Gecko/Toolkit
 Patch1:         mozilla-nongnome-proxies.patch
 Patch2:         mozilla-shared-nss-db.patch
@@ -362,6 +363,7 @@
 ac_add_options --enable-startup-notification
 #ac_add_options --enable-chrome-format=jar
 ac_add_options --enable-update-channel=%{update_channel}
+ac_add_options --with-mozilla-api-keyfile=%{SOURCE18}
 %if %branding
 ac_add_options --enable-official-branding
 %endif