diff --git a/src/libfetchers/input-accessor.cc b/src/libfetchers/input-accessor.cc
index 54b173cf6..4ded83bfe 100644
--- a/src/libfetchers/input-accessor.cc
+++ b/src/libfetchers/input-accessor.cc
@@ -112,6 +112,8 @@ StorePath InputAccessor::fetchToStore(
     } else
         debug("source path '%s' is uncacheable", showPath(path));
 
+    Activity act(*logger, lvlChatty, actUnknown, fmt("copying '%s' to the store", showPath(path)));
+
     auto source = sinkToSource([&](Sink & sink) {
         dumpPath(path, sink, filter ? *filter : defaultPathFilter);
     });