diff --git a/baselibs.conf b/baselibs.conf
index ce5471d..d48abc6 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,13 +1,13 @@
 ibus-gtk
   post "%if "%_lib" == "lib64""
-  post "<prefix>%{_bindir}/gtk-query-immodules-2.0-64 > <prefix>%{_sysconfdir}/gtk-2.0/gtk64.immodules"
+  post "<prefix>%{_bindir}/gtk-query-immodules-2.0-64 --update-cache"
   post "%else"
-  post "<prefix>%{_bindir}/gtk-query-immodules-2.0 > <prefix>%{_sysconfdir}/gtk-2.0/gtk.immodules"
+  post "<prefix>%{_bindir}/gtk-query-immodules-2.0 --update-cache"
   post "%endif"
   postun "%if "%_lib" == "lib64""
-  postun "<prefix>%{_bindir}/gtk-query-immodules-2.0-64 > <prefix>%{_sysconfdir}/gtk-2.0/gtk64.immodules"
+  postun "<prefix>%{_bindir}/gtk-query-immodules-2.0-64 --update-cache"
   postun "%else"
-  postun "<prefix>%{_bindir}/gtk-query-immodules-2.0 > <prefix>%{_sysconfdir}/gtk-2.0/gtk.immodules"
+  postun "<prefix>%{_bindir}/gtk-query-immodules-2.0 --update-cache"
   postun "%endif"
   supplements "packageand(ibus:gtk2-<targettype>)"
 ibus-gtk3
diff --git a/ibus.changes b/ibus.changes
index 527870c..9fca63d 100644
--- a/ibus.changes
+++ b/ibus.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Feb 14 12:10:13 CET 2014 - tiwai@suse.de
+
+- Fix *-32bit post and postun calls for gtk-query-immodules-2 on
+  openSUSE 13.1 and later (bnc#845860)
+
 -------------------------------------------------------------------
 Mon Feb 10 09:48:56 UTC 2014 - fcrozat@suse.com
 
diff --git a/ibus.spec b/ibus.spec
index c99b8b4..32930c0 100644
--- a/ibus.spec
+++ b/ibus.spec
@@ -178,6 +178,13 @@ docs for ibus.
 %prep
 %setup -q
 %patch0 -p1
+# hack to fix incompatibility of gtk-query-immodules-2.0 (bnc#845860)
+%if %suse_version < 1310
+sed -i \
+    -e's@\(gtk-query-immodules-2.0-64\) --update-cache@\1 > <prefix>%{_sysconfdir}/gtk-2.0/gtk64.immodules@g' \
+    -e's@\(gtk-query-immodules-2.0\) --update-cache@\1 > <prefix>%{_sysconfdir}/gtk-2.0/gtk.immodules@g' \
+    $RPM_SOURCE_DIR/baselibs.conf
+%endif
 
 %if %{with_automatic_config}
 %patch1 -p1