Index: subversion/libsvn_repos/log.c
===================================================================
--- subversion/libsvn_repos/log.c       (revision 19500)
+++ subversion/libsvn_repos/log.c       (working copy)
@@ -538,7 +538,9 @@
   */
   if (! paths ||
       (paths->nelts == 1 &&
-       svn_path_is_empty(APR_ARRAY_IDX(paths, 0, const char *))))
+       (svn_path_is_empty(APR_ARRAY_IDX(paths, 0, const char *))) ||
+        svn_path_compare_paths(APR_ARRAY_IDX(paths, 0, const char *),
+                               "/") == 0))
     {
       /* They want history for the root path, so every rev has a change. */
       send_count = hist_end - hist_start + 1;