diff --git a/debian/postinst b/debian/postinst
index 680cb2f..3353c37 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -16,8 +16,10 @@
 		fi
 
 		# Fix permissions of previous (root-owned) install (OS#4107)
-		mkdir -p /var/lib/osmo_dia2gsup
-		chown -R osmocom:osmocom /var/lib/osmo_dia2gsup
+		if dpkg --compare-versions "$2" le "0.3.0"; then
+			mkdir -p /var/lib/osmo_dia2gsup
+			chown -R -v osmocom:osmocom /var/lib/osmo_dia2gsup
+		fi
 		;;
 esac