--- a/configure.ac
+++ b/configure.ac
@@ -429,11 +429,11 @@
 if test "x$enable_pygobject" = "xyes"; then
     PKG_CHECK_MODULES(PYTHON, [pygobject-3.0 >= $PYGOBJECT_REQUIRED])
 
-    pyoverridesdir=`$PYTHON -c "import gi; print(gi._overridesdir)"`
+    pyoverridesdir="$prefix/@pythonSitePackages@/gi/overrides"
     AC_SUBST(pyoverridesdir)
 
     if test x"$enable_python2" = x"yes"; then
-        py2overridesdir=`$PYTHON2 -c "import gi; print(gi._overridesdir)"`
+        py2overridesdir="$prefix/@pythonSitePackages@/gi/overrides"
         AC_SUBST(py2overridesdir)
     fi
 fi
@@ -462,7 +462,7 @@
     PYTHON2_VERSION=`$PYTHON2 -c "import sys; sys.stdout.write(sys.version[[:3]])"`
     PYTHON2_LIBDIR="$PYTHON2_PREFIX/lib/python$PYTHON2_VERSION"
     python2dir="$PYTHON2_LIBDIR/site-packages"
-    pkgpython2dir="$python2dir/ibus"
+    pkgpython2dir="$prefix/@pythonSitePackages@/ibus"
     AC_SUBST(pkgpython2dir)
 else
     enable_python_library="no (disabled, use --enable-python-library to enable)"
--- a/data/dconf/Makefile.am
+++ b/data/dconf/Makefile.am
@@ -50,7 +50,7 @@
 
 install-data-hook:
 	if test -z "$(DESTDIR)"; then \
-	    dconf update; \
+	    true; \
 	fi
 
 EXTRA_DIST = \
--- a/setup/ibus-setup.in
+++ b/setup/ibus-setup.in
@@ -27,5 +27,5 @@
 export IBUS_DATAROOTDIR=@datarootdir@
 export IBUS_LOCALEDIR=@localedir@
 export IBUS_LIBEXECDIR=${libexecdir}
-exec ${PYTHON:-@PYTHON@} @prefix@/share/ibus/setup/main.py $@
+exec @pythonInterpreter@ @prefix@/share/ibus/setup/main.py $@