diff --git a/debian/changelog b/debian/changelog
index bc1e884..4aacde1 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,7 @@
 kdav (17.12.2-3) UNRELEASED; urgency=medium
+
+  [ Sandro Knauß ]
+  * enable GLX entensions to run tests successfully on armel.
 
  -- Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>  Tue, 20 Mar 2018 21:03:33 +0100
 
diff --git a/debian/rules b/debian/rules
index 96f753a..0e71a22 100755
--- a/debian/rules
+++ b/debian/rules
@@ -5,5 +5,6 @@
 override_dh_auto_test:
 	mkdir -p obj-$(DEB_HOST_GNU_TYPE)/runtime
 	chmod 700 obj-$(DEB_HOST_GNU_TYPE)/runtime
-	XDG_RUNTIME_DIR=$(PWD)/obj-$(DEB_HOST_GNU_TYPE)/runtime xvfb-run -- dh_auto_test --no-parallel
+	XDG_RUNTIME_DIR=$(PWD)/obj-$(DEB_HOST_GNU_TYPE)/runtime xvfb-run --server-args="-screen 0 1024x768x24 +extension GLX" -- \
+	        auto_test --no-parallel
 	rm -r obj-$(DEB_HOST_GNU_TYPE)/runtime