Index: subversion/svn/blame-cmd.c
===================================================================
--- subversion/svn/blame-cmd.c	(revision 956107)
+++ subversion/svn/blame-cmd.c	(working copy)
@@ -158,7 +158,7 @@
           time_stdout = "                                           -";
         }
 
-      SVN_ERR(svn_stream_printf(out, pool, "%s %10s %s ", rev_str,
+      SVN_ERR(svn_stream_printf(out, pool, "%s %10.10s %s ", rev_str,
                                 author ? author : "         -",
                                 time_stdout));
 
@@ -167,7 +167,7 @@
     }
   else
     {
-      return svn_stream_printf(out, pool, "%s %10s ", rev_str,
+      return svn_stream_printf(out, pool, "%s %10.10s ", rev_str,
                                author ? author : "         -");
     }