diff --git a/src/allmydata/web/common.py b/src/allmydata/web/common.py
index 13385c5..1599b1e 100644
--- a/src/allmydata/web/common.py
+++ b/src/allmydata/web/common.py
@@ -220,7 +220,7 @@ def humanize_failure(f):
              "corruption. You should perform a filecheck on "
              "this object to learn more.\n\nThe full error message is:\n"
              "%s") % str(f.value)
-        return (t, http.GONE)
+        return (t, http.NOT_FOUND)
     if f.check(NoSharesError):
         t = ("NoSharesError: no shares could be found. "
              "Zero shares usually indicates a corrupt URI, or that "
@@ -228,7 +228,7 @@ def humanize_failure(f):
              "severe corruption. You should perform a filecheck on "
              "this object to learn more.\n\nThe full error message is:\n"
              "%s") % str(f.value)
-        return (t, http.GONE)
+        return (t, http.NOT_FOUND)
     if f.check(UnrecoverableFileError):
         t = ("UnrecoverableFileError: the directory (or mutable file) could "
              "not be retrieved, because there were insufficient good shares. "
@@ -237,7 +237,7 @@ def humanize_failure(f):
              "that shares have been lost due to server departure, hard drive "
              "failure, or disk corruption. You should perform a filecheck on "
              "this object to learn more.")
-        return (t, http.GONE)
+        return (t, http.NOT_FOUND)
     if f.check(MustNotBeUnknownRWError):
         quoted_name = quote_output(f.value.args[1], encoding="utf-8")
         immutable = f.value.args[2]