diff --git a/src/libutil/tarfile.cc b/src/libutil/tarfile.cc
index 0757b3a81..e71c11037 100644
--- a/src/libutil/tarfile.cc
+++ b/src/libutil/tarfile.cc
@@ -136,7 +136,7 @@ static void extract_archive(TarArchive & archive, const std::filesystem::path &
         if (!name)
             throw Error("cannot get archive member name: %s", archive_error_string(archive.archive));
         if (r == ARCHIVE_WARN)
-            warn(archive_error_string(archive.archive));
+            warn("getting archive member '%1%': %2%", name, archive_error_string(archive.archive));
         else
             archive.check(r);
 
@@ -193,7 +193,7 @@ time_t unpackTarfileToSink(TarArchive & archive, ExtendedFileSystemObjectSink &
             throw Error("cannot get archive member name: %s", archive_error_string(archive.archive));
         auto cpath = CanonPath{path};
         if (r == ARCHIVE_WARN)
-            warn(archive_error_string(archive.archive));
+            warn("getting archive member '%1%': %2%", path, archive_error_string(archive.archive));
         else
             archive.check(r);