diff --git a/Makefile b/Makefile
index 472c912..b063fdd 100644
--- a/Makefile
+++ b/Makefile
@@ -326,7 +326,6 @@ rootfs: kernel busybox
 	@for F in setup setup-helper setup-chroot serial_console; do \
 		cp iso/bin/$$F $(ROOTFS_DIR)/usr/bin; \
 	 done
-	@echo "- rootfs size before compression: $(shell du -sh $(ROOTFS_DIR))"
 	@echo "- Compressing (rootfs.tar.xz)..."
 	@mkdir -p rootfs
 	@(cd $(ROOTFS_DIR) && tar -Jcf ../../rootfs/rootfs.tar.xz . 2>/dev/null)
diff --git a/iso/bin/setup-helper b/iso/bin/setup-helper
index 0243922..5dd77e8 100755
--- a/iso/bin/setup-helper
+++ b/iso/bin/setup-helper
@@ -106,3 +106,11 @@ for package in xorg-libxv xorg-libx11 xorg-libxfont2 xorg-libxfixes xorg-server
 		fi
 	fi
 done
+
+if [ `is_installed firefox` ]; then
+	inject_packages rust
+fi
+
+if [ `is_installed python3` ]; then
+	inject_packages libtirpc mpdecimal
+fi