diff --git a/repos/os/include/genode_c_api/event.h b/repos/os/include/genode_c_api/event.h
index 826f68965a..5c74e7d0ee 100644
--- a/repos/os/include/genode_c_api/event.h
+++ b/repos/os/include/genode_c_api/event.h
@@ -77,6 +77,8 @@ struct genode_event_submit
 	               struct genode_event_touch_args const *);
 
 	void (*touch_release) (struct genode_event_submit *, unsigned finger);
+
+	void (*wheel) (struct genode_event_submit *, int x, int y);
 };
 
 
diff --git a/repos/os/src/lib/genode_c_api/event.cc b/repos/os/src/lib/genode_c_api/event.cc
index 87834ad32f..7d0861b311 100644
--- a/repos/os/src/lib/genode_c_api/event.cc
+++ b/repos/os/src/lib/genode_c_api/event.cc
@@ -109,6 +109,12 @@ namespace {
 				batch.submit(Input::Touch_release { id }); });
 		}
 
+		static void _wheel(struct genode_event_submit *myself, int x, int y)
+		{
+			_with_batch(myself, [&] (Event::Session_client::Batch &batch) {
+				batch.submit(Input::Wheel { x, y }); });
+		}
+
 		Submit(Event::Session_client::Batch &batch)
 		:
 			batch(batch)
@@ -118,6 +124,7 @@ namespace {
 			rel_motion    = _rel_motion;
 			touch         = _touch;
 			touch_release = _touch_release;
+			wheel         = _wheel;
 		};
 
 	};