diff --git a/debian/changelog b/debian/changelog
index 0325795..e9b34b0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -9,6 +9,9 @@ lightdm-gtk-greeter (2.0.3-1) UNRELEASED; urgency=medium
   * Run wrap-and-sort.
   * debian/rules:
     - drop call to autotools-dev addon.
+    - force-disable build with -Werror: LGG 2.0.3 enforce build with -Werror,
+    and it fails because Debian uses -Wdate-time (for build reproducibility)
+    and LGG uses __DATE__ and __TIME__.
   * debian/contro:
     - replace autotools-dev build-dep by debhelper >= 9.20160115.
     - update standards version to 4.1.1. 
diff --git a/debian/rules b/debian/rules
index a31738c..e466a39 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,7 +4,10 @@ export DEB_LDFLAGS_MAINT_APPEND=-Wl,--as-needed -Wl,-O1
 export DEB_BUILD_MAINT_OPTIONS=hardening=+all
 
 override_dh_auto_configure:
-	dh_auto_configure -- --disable-silent-rules --enable-kill-on-sigterm
+	dh_auto_configure -- \
+		--disable-silent-rules \
+		--enable-kill-on-sigterm \
+		--disable-Werror
 
 override_dh_install:
 	dh_install debian/01_debian.conf usr/share/lightdm/lightdm-gtk-greeter.conf.d/