diff --git a/changes/bug3155 b/changes/bug3155
index a0ebd530cb..d2e0918d29 100644
--- a/changes/bug3155
+++ b/changes/bug3155
@@ -2,3 +2,5 @@
     - Rename the (internal-use-only) UsingTestingNetworkDefaults option
       to start with a triple-underscore so the controller won't touch it.
       Patch by Meejah. Fixes bug 3155. Bugfix on 0.2.2.23-alpha.
+    - Rename the (testing-use-only) _UseFilteringSSLBufferevents option
+      so it doesn't start with _. Fixes bug3155. Bugfix on 0.2.3.1-alpha.
diff --git a/src/or/config.c b/src/or/config.c
index 78f86595fc..f38e6863b4 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -130,6 +130,7 @@ static config_abbrev_t _option_abbrevs[] = {
   { "HashedControlPassword", "__HashedControlSessionPassword", 1, 0},
   { "StrictEntryNodes", "StrictNodes", 0, 1},
   { "StrictExitNodes", "StrictNodes", 0, 1},
+  { "_UseFilteringSSLBufferevents", "UseFilteringSSLBufferevents", 0, 1},
   { NULL, NULL, 0, 0},
 };
 
@@ -449,7 +450,7 @@ static config_var_t _option_vars[] = {
   VAR("VersioningAuthoritativeDirectory",BOOL,VersioningAuthoritativeDir, "0"),
   V(VirtualAddrNetwork,          STRING,   "127.192.0.0/10"),
   V(WarnPlaintextPorts,          CSV,      "23,109,110,143"),
-  V(_UseFilteringSSLBufferevents, BOOL,    "0"),
+  V(UseFilteringSSLBufferevents, BOOL,    "0"),
   VAR("__ReloadTorrcOnSIGHUP",   BOOL,  ReloadTorrcOnSIGHUP,      "1"),
   VAR("__AllDirActionsPrivate",  BOOL,  AllDirActionsPrivate,     "0"),
   VAR("__DisablePredictedCircuits",BOOL,DisablePredictedCircuits, "0"),
diff --git a/src/or/connection_or.c b/src/or/connection_or.c
index 5a3b6205a9..02345f98a2 100644
--- a/src/or/connection_or.c
+++ b/src/or/connection_or.c
@@ -1152,7 +1152,7 @@ connection_tls_start_handshake(or_connection_t *conn, int receiving)
 
 #ifdef USE_BUFFEREVENTS
   if (connection_type_uses_bufferevent(TO_CONN(conn))) {
-    const int filtering = get_options()->_UseFilteringSSLBufferevents;
+    const int filtering = get_options()->UseFilteringSSLBufferevents;
     struct bufferevent *b =
       tor_tls_init_bufferevent(conn->tls, conn->_base.bufev, conn->_base.s,
                                receiving, filtering);
diff --git a/src/or/or.h b/src/or/or.h
index 3609d32b77..ec27184c1d 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3578,8 +3578,8 @@ typedef struct {
   /** If true, do not enable IOCP on windows with bufferevents, even if
    * we think we could. */
   int DisableIOCP;
-  /** For testing only: will go away in 0.2.3.x. */
-  int _UseFilteringSSLBufferevents;
+  /** For testing only: will go away eventually. */
+  int UseFilteringSSLBufferevents;
 
   /** Set to true if the TestingTorNetwork configuration option is set.
    * This is used so that options_validate() has a chance to realize that