diff --git a/gc3libs/core.py b/gc3libs/core.py
index 230781c7..8ec24bb6 100755
--- a/gc3libs/core.py
+++ b/gc3libs/core.py
@@ -2181,6 +2181,11 @@ def fetch_output(self, task, output_dir=None,
                                       changed_only, **extra_args)
 
 
+    def find_task_by_id(self, task_id):
+        """Proxy to `Engine.find_task_by_id`:meth: (which see)."""
+        return self._engine.find_task_by_id(task_id)
+
+
     def free(self, task, **extra_args):
         """Proxy to `Engine.free`:meth: (which see)."""
         if self.running: