diff --git a/tools/helpers2.1/convert_to_helpers_2.1.py b/tools/helpers2.1/convert_to_helpers_2.1.py
index 3c5369fd..5dd4a461 100644
--- a/tools/helpers2.1/convert_to_helpers_2.1.py
+++ b/tools/helpers2.1/convert_to_helpers_2.1.py
@@ -374,7 +374,9 @@ def cleanup():
 
     # Add helpers_version = '2.1' after yunohost requirement in manifest
     raw_manifest = open("manifest.toml", "r").read()
-    raw_manifest = re.sub('(yunohost = .*)', '\\1\nhelpers_version = "2.1"', raw_manifest)
+    if "helpers_version" not in raw_manifest:
+        raw_manifest = re.sub('(yunohost = .*)', '\\1\nhelpers_version = "2.1"', raw_manifest)
+    raw_manifest = re.sub('yunohost = ">= 11\..*"', 'yunohost = ">= 11.2.16"', raw_manifest)
     open("manifest.toml", "w").write(raw_manifest)