diff --git a/newvm.sh b/newvm.sh
index 680a233..c54559d 100755
--- a/newvm.sh
+++ b/newvm.sh
@@ -138,6 +138,11 @@ if [ -z "${LIBVIRT_DEFAULT_URI}" ]; then
     exit 1
 fi
 
+if [ ${fedora} -gt 40 ] && [ ${memory} -lt 4096 ]; then
+    printf 'WARNING Fedora 41+ requires at least 4 GB memory to install\n' >&2
+    memory=4096
+fi
+
 if ${default_groups}; then
     groups_xml="<group name=\"chrony\"/>${groups_xml}"
     groups_xml="<group name=\"collectd\"/>${groups_xml}"