diff --git a/packaging/rules/debian/ring-all.postinst b/packaging/rules/debian/ring-all.postinst
index 99c7a23602dada37691998c386d081c753fcfa8f..dbd84ad37b9f083a3494be4caedc337e0f98145c 100755
--- a/packaging/rules/debian/ring-all.postinst
+++ b/packaging/rules/debian/ring-all.postinst
@@ -109,6 +109,9 @@ if [ -f /etc/os-release ]; then
         ENDTAG="ubuntu_16.04"
     elif [ "$ID" = "linuxmint" ] && [ "$UBUNTU_CODENAME" = "bionic" ]; then
         ENDTAG="ubuntu_18.04"
+    elif [ "$ID" = "linuxmint" ] && [ "$DEBIAN_CODENAME" = "stretch" ]; then
+        # LMDE3
+        ENDTAG="debian_9"
     else
         # Distribution is not supported. Don't provide automatic updates.
         CAN_ADD_DEB_SOURCE=false