diff --git a/desktop/lxde/lxsession/actions.py b/desktop/lxde/lxsession/actions.py
index 55d328ee0b..19f66093c1 100644
--- a/desktop/lxde/lxsession/actions.py
+++ b/desktop/lxde/lxsession/actions.py
@@ -10,7 +10,7 @@ def setup():
 	pisitools.cflags.add("-Wno-deprecated-declarations")
 	pisitools.unlink("*.stamp")
 	autotools.autoreconf("-fiv")
-	autotools.configure("--enable-gtk3 --enable-buildin-polkit --enable-buildin-clipboard")
+	autotools.configure("--enable-gtk3 --disable-buildin-polkit --enable-buildin-clipboard")
 
 def build():
 	autotools.make()
diff --git a/desktop/lxde/lxsession/pspec.xml b/desktop/lxde/lxsession/pspec.xml
index 2fa31fc325..0ccb698654 100644
--- a/desktop/lxde/lxsession/pspec.xml
+++ b/desktop/lxde/lxsession/pspec.xml
@@ -21,6 +21,8 @@
 			<Dependency>vala-devel</Dependency>
 			<Dependency>gtk3-devel</Dependency>
 			<Dependency>glib2-devel</Dependency>
+			<Dependency>libSM-devel</Dependency>
+			<Dependency>libICE-devel</Dependency>
 			<Dependency>polkit-devel</Dependency>
 			<Dependency>elogind-devel</Dependency>
 			<Dependency>gettext-devel</Dependency>