diff --git a/iiab-install b/iiab-install
index b678e7df6..e224c0410 100755
--- a/iiab-install
+++ b/iiab-install
@@ -81,6 +81,8 @@ fi
 
 echo -e "\n\n./iiab-install $* BEGUN IN $CWD\n"
 
+mkdir -p /etc/iiab/install-flags    # MANDATORY since 2022-07-22 (PR #3318 netwarn pop-ups, asking you to run iiab-network)
+
 echo -e "local_facts.fact DIAGNOSTICS... (A FEW LINES OF ERRORS/WARNINGS BELOW ARE OK!)\n"
 
 scripts/local_facts.fact    # Exit & advise, if OS not supported.