diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 076096eef..7a8fa695a 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -930,7 +930,7 @@ def app_install(operation_logger, app, label=None, args=None, no_remove_on_failu
 
             permission_sync_to_user()
 
-            raise YunohostError(failure_message_with_debug_instructions, raw_msg=True)
+            raise YunohostError(failure_message_with_debug_instructions, raw_msg=True, log_ref=operation_logger.name)
 
     # Clean hooks and add new ones
     hook_remove(app_instance_name)
diff --git a/src/yunohost/utils/error.py b/src/yunohost/utils/error.py
index f2486473b..78077b42a 100644
--- a/src/yunohost/utils/error.py
+++ b/src/yunohost/utils/error.py
@@ -32,11 +32,23 @@ class YunohostError(MoulinetteError):
     are translated via m18n.n (namespace) instead of m18n.g (global?)
     """
 
-    def __init__(self, key, raw_msg=False, *args, **kwargs):
+    def __init__(self, key, raw_msg=False, log_ref=None, *args, **kwargs):
         self.key = key  # Saving the key is useful for unit testing
         self.kwargs = kwargs  # Saving the key is useful for unit testing
+        self.log_ref = log_ref
         if raw_msg:
             msg = key
         else:
             msg = m18n.n(key, *args, **kwargs)
+
         super(YunohostError, self).__init__(msg, raw_msg=True)
+
+    def content(self):
+
+        if not self.log_ref:
+            return super(YunohostError, self).content()
+        else:
+            return {
+                "error": self.strerror,
+                "log_ref": self.log_ref
+            }