diff -pruN 1.2.0-1/debian/changelog 1.2.0-1ubuntu1/debian/changelog
--- 1.2.0-1/debian/changelog	2022-04-28 12:33:01.000000000 +0000
+++ 1.2.0-1ubuntu1/debian/changelog	2022-05-19 15:48:36.000000000 +0000
@@ -1,3 +1,9 @@
+pinentry (1.2.0-1ubuntu1) kinetic; urgency=medium
+
+  * Don't build the Qt5-based pinentry on i386.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Thu, 19 May 2022 15:48:36 +0000
+
 pinentry (1.2.0-1) unstable; urgency=medium
 
   * New upstream release to unstable
diff -pruN 1.2.0-1/debian/control 1.2.0-1ubuntu1/debian/control
--- 1.2.0-1/debian/control	2022-04-28 12:19:21.000000000 +0000
+++ 1.2.0-1ubuntu1/debian/control	2022-05-19 15:48:36.000000000 +0000
@@ -1,7 +1,8 @@
 Source: pinentry
 Section: utils
 Priority: optional
-Maintainer: Debian GnuPG Maintainers <pkg-gnupg-maint@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian GnuPG Maintainers <pkg-gnupg-maint@lists.alioth.debian.org>
 Uploaders:
  Daniel Kahn Gillmor <dkg@fifthhorseman.net>,
 Build-Depends:
@@ -14,7 +15,7 @@ Build-Depends:
  libgtk2.0-dev (>= 2.4.0),
  libncurses5-dev,
  libncursesw5-dev,
- libqt5waylandclient5-dev,
+ libqt5waylandclient5-dev [!i386],
  libsecret-1-dev,
  m4,
  pkg-config,
diff -pruN 1.2.0-1/debian/rules 1.2.0-1ubuntu1/debian/rules
--- 1.2.0-1/debian/rules	2022-01-11 08:33:16.000000000 +0000
+++ 1.2.0-1ubuntu1/debian/rules	2022-05-19 15:47:57.000000000 +0000
@@ -5,6 +5,11 @@ export QT_SELECT
 SHARED_CONFIGS = --disable-rpath --without-libcap --disable-pinentry-emacs --disable-inside-emacs --enable-fallback-curses --disable-pinentry-tqt --disable-pinentry-efl
 export DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow
 
+DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
+ifneq ($(DEB_HOST_ARCH), i386)
+   ENABLE_QT = --enable-pinentry-qt
+endif
+
 %:
 	dh $@
 
@@ -13,7 +18,7 @@ override_dh_auto_configure:
 		$(SHARED_CONFIGS) --disable-libsecret \
 		--enable-pinentry-tty \
 		--enable-pinentry-curses \
-		--enable-pinentry-qt \
+		$(ENABLE_QT) \
 		--enable-pinentry-fltk \
 		--disable-pinentry-gtk2 \
 		--disable-pinentry-gnome3
