diff --git a/src/yunohost/hook.py b/src/yunohost/hook.py
index c55a4fd43..49174c183 100644
--- a/src/yunohost/hook.py
+++ b/src/yunohost/hook.py
@@ -360,12 +360,14 @@ def hook_exec(path, args=None, raise_on_error=False, no_trace=False,
     # Check and return process' return code
     if returncode is None:
         if raise_on_error:
-            raise MoulinetteError(m18n.n('hook_exec_not_terminated', path=path))
+            raise MoulinetteError(
+                errno.EIO, m18n.n('hook_exec_not_terminated', path=path))
         else:
             logger.error(m18n.n('hook_exec_not_terminated', path=path))
             return 1
     elif raise_on_error and returncode != 0:
-        raise MoulinetteError(m18n.n('hook_exec_failed', path=path))
+        raise MoulinetteError(
+            errno.EIO, m18n.n('hook_exec_failed', path=path))
     return returncode