diff --git a/radicale/sharing/__init__.py b/radicale/sharing/__init__.py
index 3a21c53c..db190a11 100644
--- a/radicale/sharing/__init__.py
+++ b/radicale/sharing/__init__.py
@@ -407,6 +407,42 @@ class BaseSharing:
         else:
             logger.trace("sharing/map: not active")
 
+        if share is not None:
+            if share['Conversion'] == "bday":
+                # autogenerate Actions if not existing
+                if share['Actions'] is None:
+                    share['Actions'] = {
+                            'template': {
+                                'conversion_bday_summary_template': self.conversion_bday_summary_template,
+                                'conversion_bday_description_template': self.conversion_bday_description_template,
+                                }
+                             }
+                elif 'template' in share['Actions']:
+                    if 'conversion_bday_summary_template' in share['Actions']['template']:
+                        # nothing to do
+                        pass
+                    else:
+                        share['Actions']['template'].update(
+                            {'conversion_bday_summary_template': self.conversion_bday_summary_template}
+                            )
+                    if 'conversion_bday_description_template' in share['Actions']['template']:
+                        # nothing to do
+                        pass
+                    else:
+                        share['Actions']['template'].update(
+                            {'conversion_bday_description_template': self.conversion_bday_summary_template}
+                            )
+                else:
+                    share['Actions'].update(
+                            {'template': {
+                                'conversion_bday_summary_template': self.conversion_bday_summary_template,
+                                'conversion_bday_description_template': self.conversion_bday_description_template,
+                                }
+                             }
+                            )
+
+            logger.info("sharing/%s: resolved path %r->%r, user %r->%r, Permissions=%r Conversion=%r Actions=%r", share['ShareType'], share['PathOrToken'], share['PathMapped'], user, share['Owner'], share['Permissions'], share['Conversion'], share['Actions'])
+
         return share
 
     # adjust a share