--- a/browser/config/mozconfigs/linux32/l10n-mozconfig
+++ b/browser/config/mozconfigs/linux32/l10n-mozconfig
@@ -1,16 +1,21 @@
 no_sccache=1
 
 ac_add_options --with-l10n-base=../../l10n
 ac_add_options --enable-update-channel=${MOZ_UPDATE_CHANNEL}
 ac_add_options --with-branding=browser/branding/nightly
 
 . "$topsrcdir/build/mozconfig.no-compile"
 
+if test `uname -m` = "x86_64"; then
+  ac_add_options --target=i686-pc-linux
+  ac_add_options --host=i686-pc-linux
+fi
+
 export MOZILLA_OFFICIAL=1
 
 # Enable Telemetry
 export MOZ_TELEMETRY_REPORTING=1
 
 ac_add_options --disable-stdcxx-compat
 
 # Don't autoclobber l10n, as this can lead to missing binaries and broken builds

--- a/browser/config/mozconfigs/linux32/l10n-mozconfig-devedition
+++ b/browser/config/mozconfigs/linux32/l10n-mozconfig-devedition
@@ -1,16 +1,21 @@
 no_sccache=1
 
 ac_add_options --with-l10n-base=../../l10n
 ac_add_options --enable-update-channel=${MOZ_UPDATE_CHANNEL}
 ac_add_options --with-branding=browser/branding/aurora
 
 . "$topsrcdir/build/mozconfig.no-compile"
 
+if test `uname -m` = "x86_64"; then
+  ac_add_options --target=i686-pc-linux
+  ac_add_options --host=i686-pc-linux
+fi
+
 export MOZILLA_OFFICIAL=1
 
 # Enable Telemetry
 export MOZ_TELEMETRY_REPORTING=1
 
 ac_add_options --disable-stdcxx-compat
 
 # Don't autoclobber l10n, as this can lead to missing binaries and broken builds