diff --git a/debian/ngcp-rtpengine-daemon.postinst b/debian/ngcp-rtpengine-daemon.postinst
new file mode 100644
index 000000000..7b1c8ec64
--- /dev/null
+++ b/debian/ngcp-rtpengine-daemon.postinst
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+set -e
+
+default=/etc/default/ngcp-rtpengine-daemon
+name=ngcp-rtpengine
+
+if [ -x /usr/sbin/ngcp-virt-identify ]; then
+	if /usr/sbin/ngcp-virt-identify --type container; then
+		VIRT="yes"
+	fi
+fi
+
+if [ "$VIRT" = "yes" ]; then
+	echo "Container environment detected. Skip dkms check"
+else
+	fallback=$(awk '/^NO_FALLBACK=(1|yes)/ { print "yes" }' "$default")
+
+	if [ -x /usr/sbin/dkms ]; then
+		isadded=`dkms status -m "$name"`
+	else
+		isadded="no"
+	fi
+
+	if [ "${fallback}" = "yes" ] && [ "x${isadded}" = "x" ] ; then
+		echo "dkms module not found and NO_FALLBACK set to 'yes'"
+		echo "Don't restart yet, ngcp-rtpengine-kernel-dkms will try"
+		exit 0
+	fi
+fi
+
+#DEBHELPER#
+
+exit 0
+