diff --git a/ChangeLog b/ChangeLog
index 109c4b38fd..15c8eeef40 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,7 +16,7 @@ Changes in version 0.2.0.6-alpha - 2007-??-??
       a descriptor immediately, e.g. because they don't know their
       address.
   o Minor features (misc):
-    - Optionally (if built with -DEXPORTMEMINFO) export the output
+    - Optionally (if built with -DEXPORTMALLINFO) export the output
       of mallinfo via http, as tor/mallinfo.txt.  Only accessible
       from localhost.
 
diff --git a/src/or/directory.c b/src/or/directory.c
index da09109de9..f6a2c666ff 100644
--- a/src/or/directory.c
+++ b/src/or/directory.c
@@ -6,7 +6,7 @@ const char directory_c_id[] =
   "$Id$";
 
 #include "or.h"
-#if defined(EXPORTMEMINFO) && defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
+#if defined(EXPORTMALLINFO) && defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
 #include <malloc.h>
 #endif
 
@@ -2196,7 +2196,7 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
     goto done;
   }
 
-#if defined(EXPORTMEMINFO) && defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
+#if defined(EXPORTMALLINFO) && defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
 #define ADD_MALLINFO_LINE(x) do {                               \
     tor_snprintf(tmp, sizeof(tmp), "%s %d\n", #x, mi.x);        \
     smartlist_add(lines, tor_strdup(tmp));                      \