diff --git a/packaging.conf b/packaging.conf
index 2db61593..b6ed433a 100644
--- a/packaging.conf
+++ b/packaging.conf
@@ -2,7 +2,7 @@
 
 # ---------------------------------------------------------
 MAKE_DIST="cmake -DCMAKE_INSTALL_PREFIX=/usr -DSOCKET_API=1 -DUSRSCTP_SUPPORT=0 -DSCTP_MULTISTREAMING=1 -DFLOW_GROUPS=1 . && make dist"
-NOT_TARGET_DISTRIBUTIONS="lucid precise trusty xenial bionic"   # <<-- Distrubutions which are *not* supported!
+NOT_TARGET_DISTRIBUTIONS="lucid precise trusty xenial bionic   unstable"   # <<-- Distrubutions which are *not* supported!
 MAINTAINER="Thomas Dreibholz <dreibh@simula.no>"
 MAINTAINER_KEY="21412672518D8B2D1862EFEF5CD5D12AA0877B49"
 DEBIAN_LAST_ENTRY=""