diff --git a/rootfs.py b/rootfs.py
index 4f1a3ebd..9a9317c7 100755
--- a/rootfs.py
+++ b/rootfs.py
@@ -74,7 +74,6 @@ def update_stage0_image(image_path,
         mounted = True
         script = '''
 import os
-import re
 import shutil
 import sys
 
@@ -109,31 +108,29 @@ lines.append("PAYLOAD_REQUIRED=False\\n")
 with open(config_path, "w", encoding="utf-8") as cfg:
     cfg.writelines(lines)
 
-# Resumed jump init scripts look like "bash /steps*/N.sh" and miss network bring-up.
-# Wrap only that form to keep normal /init behavior unchanged.
+# Compatibility for older checkpoints: patch simple resume /init stubs in-place.
 init_path = os.path.join(mountpoint, "init")
 if os.path.isfile(init_path):
     with open(init_path, "r", encoding="utf-8") as init_file:
         init_text = init_file.read()
-
-    if "dhcpcd --waitip=4" not in init_text:
-        resume_match = re.search(
-            r"^\\s*bash\\s+(/(?:steps|steps-guix)/[0-9]+\\.sh)\\s*$",
-            init_text,
-            re.MULTILINE,
-        )
-        if resume_match:
-            resume_script = resume_match.group(1)
-            wrapped_init = f"""#!/usr/bin/bash
-set -e
-if command -v dhcpcd >/dev/null 2>&1; then
-    dhcpcd --waitip=4 || true
-fi
-exec bash {resume_script}
-"""
-            with open(init_path, "w", encoding="utf-8") as init_file:
-                init_file.write(wrapped_init)
-            os.chmod(init_path, 0o755)
+    init_lines = [line.strip() for line in init_text.splitlines() if line.strip()]
+    if ("dhcpcd --waitip=4" not in init_text
+            and len(init_lines) == 2
+            and init_lines[0].startswith("#!/bin/bash")
+            and init_lines[1].startswith("bash /")
+            and init_lines[1].endswith(".sh")):
+        with open(init_path, "w", encoding="utf-8") as init_file:
+            init_file.write("#!/bin/bash\\n")
+            init_file.write("if [ -f /steps/bootstrap.cfg ]; then\\n")
+            init_file.write(". /steps/bootstrap.cfg\\n")
+            init_file.write("fi\\n")
+            init_file.write(
+                "if [ \\"${CHROOT}\\" = False ] && command -v dhcpcd >/dev/null 2>&1; then\\n"
+            )
+            init_file.write("dhcpcd --waitip=4 || true\\n")
+            init_file.write("fi\\n")
+            init_file.write(f"exec {init_lines[1]}\\n")
+        os.chmod(init_path, 0o755)
 
 if build_guix_also:
     dest_steps_guix = os.path.join(mountpoint, "steps-guix")
diff --git a/seed/script-generator.c b/seed/script-generator.c
index 8bfc0648..50a3ef93 100644
--- a/seed/script-generator.c
+++ b/seed/script-generator.c
@@ -530,6 +530,15 @@ void output_call_script(FILE *out, char *type, char *name, int bash_build, int s
 	fputs(".sh\n", out);
 }
 
+void output_resume_network_init(FILE *out) {
+	fputs("if [ -f /steps/bootstrap.cfg ]; then\n", out);
+	fputs(". /steps/bootstrap.cfg\n", out);
+	fputs("fi\n", out);
+	fputs("if [ \"${CHROOT}\" = False ] && command -v dhcpcd >/dev/null 2>&1; then\n", out);
+	fputs("dhcpcd --waitip=4 || true\n", out);
+	fputs("fi\n", out);
+}
+
 void output_build(FILE *out, Directive *directive, int pass_no, int bash_build) {
 	if (bash_build) {
 		fputs("build ", out);
@@ -650,6 +659,7 @@ void generate(Directive *directives) {
 					exit(1);
 				}
 				fputs("#!/bin/bash\n", out);
+				output_resume_network_init(out);
 			} else {
 				out = fopen(filename, "w");
 				if (out == NULL) {