diff --git a/checkin_notes b/checkin_notes
index 3d8cbf1a4e..c6f470f707 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -6982,3 +6982,12 @@ Rom    23 May 2005
 
     client/
         app_graphics.C
+
+David  23 May 2005
+    - added <sched_lockfile_dir> entry to sched config file (optional).
+        Specifies where scheduler PID lockfiles are kept
+        (default is cgi-bin dir)
+
+    sched/
+        handle_request.C
+        sched_config.C,h
diff --git a/doc/configuration.php b/doc/configuration.php
index d0156473da..c07b729eb8 100644
--- a/doc/configuration.php
+++ b/doc/configuration.php
@@ -51,6 +51,7 @@ htmlspecialchars("
     [ <choose_download_url_by_timezone>  N </choose_download_url_by_timezone>  ]
     [ <cache_md5_info>  N </cache_md5_info>  ]
     [ <nowork_skip>  N </nowork_skip>  ]
+    [ <sched_lockfile_dir>  path </sched_lockfile_dir>  ]
 
 
     <!-- optional; defaults as indicated: -->
@@ -122,6 +123,8 @@ features on the administrative pages.  Note: enabling 'grep logs' with
 very long log files can hang your server, since grepping GB files can
 take a long time.  If you enable this feature, be sure to rotate the
 logs so that they are not too big.");
+list_item("sched_lockfile_dir", "Directory where scheduler lockfiles
+    are stored.  Must be writeable to the Apache user.");
 list_end();
 
 echo "
diff --git a/sched/handle_request.C b/sched/handle_request.C
index bf58967d00..39f8a74dcc 100644
--- a/sched/handle_request.C
+++ b/sched/handle_request.C
@@ -57,21 +57,28 @@ using namespace std;
 // instance for this host. Return values same as mylockf().
 //
 int lock_sched(SCHEDULER_REPLY& reply) {
-    char filename[64];
+    char filename[256];
     char pid_string[16];
     int fd, pid, count;
 
     reply.lockfile_fd=-1;
 
-    sprintf(filename, "CGI_%07d", reply.host.id);
+    if (strlen(config.sched_lockfile_dir)) {
+        sprintf(filename, "%s/CGI_%07d", config.sched_lockfile_dir, reply.host.id);
+    } else {
+        sprintf(filename, "CGI_%07d", reply.host.id);
+    }
 
-    if ((fd=open(filename, O_WRONLY|O_CREAT, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH))<0) return -1;
+    fd = open(filename, O_WRONLY|O_CREAT, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
+    if (fd < 0) return -1;
 
-    // if we can't get an advisory write lock on the file, return the PID
-    // of the process that DOES hold the lock.
+    // if we can't get an advisory write lock on the file,
+    // return the PID of the process that DOES hold the lock.
+    //
     if ((pid=mylockf(fd))) return pid;
 
     // write PID into the CGI_<HOSTID> file and flush to disk
+    //
     count=sprintf(pid_string, "%d\n", getpid());
     write(fd, pid_string, count);
     fsync(fd);
diff --git a/sched/sched_config.C b/sched/sched_config.C
index dd07ba63be..0c6a4766ca 100644
--- a/sched/sched_config.C
+++ b/sched/sched_config.C
@@ -69,6 +69,7 @@ int SCHED_CONFIG::parse(char* buf) {
     parse_str(buf, "<download_dir_alt>", download_dir_alt, sizeof(download_dir_alt));
     parse_str(buf, "<upload_url>", upload_url, sizeof(upload_url));
     parse_str(buf, "<upload_dir>", upload_dir, sizeof(upload_dir));
+    parse_str(buf, "<sched_lockfile_dir>", sched_lockfile_dir, sizeof(sched_lockfile_dir));
     parse_bool(buf, "one_result_per_user_per_wu", one_result_per_user_per_wu);
     parse_bool(buf, "non_cpu_intensive", non_cpu_intensive);
     parse_bool(buf,"homogeneous_redundancy", homogeneous_redundancy);
diff --git a/sched/sched_config.h b/sched/sched_config.h
index 45124d65e1..cf8515a59a 100644
--- a/sched/sched_config.h
+++ b/sched/sched_config.h
@@ -38,6 +38,7 @@ public:
         // (file deleter looks here if not in main dir)
     char upload_url[256];
     char upload_dir[256];
+    char sched_lockfile_dir[256];
     bool one_result_per_user_per_wu;
     bool msg_to_host;
     int min_sendwork_interval;