diff --git a/installer-distro-altlinux-server/initinstall.d/05-vm-profile b/installer-distro-altlinux-server/initinstall.d/05-vm-profile
index da5d390..4f1626d 100755
--- a/installer-distro-altlinux-server/initinstall.d/05-vm-profile
+++ b/installer-distro-altlinux-server/initinstall.d/05-vm-profile
@@ -23,13 +23,14 @@ else
 	methods='raid plain'
 fi
 
-# less than 10G, choose 1G partitions
 if [ "$max_disk" -le 20971520 ]; then
-	base=1048576
+	base=1048576	# less than 10G HDD, choose 1G partitions
 elif [ "$max_disk" -le 52428800 ]; then
-	base=2097152
+	base=2097152	# 2G up to 25G HDD
+elif [ "$max_disk" -le 209715200 ]; then
+	base=10485760	# 10G up to 100G HDD
 else
-	base=10485760
+	base=20971520	# 20G otherwise
 fi
 
 message "mem=$mem k"