diff --git a/src/scheduler/src/plugins/fcfs.c b/src/scheduler/src/plugins/fcfs.c
index 8cf314e3..50dbc60a 100644
--- a/src/scheduler/src/plugins/fcfs.c
+++ b/src/scheduler/src/plugins/fcfs.c
@@ -207,6 +207,7 @@ static void* fcfs_elect_job(xce_sched_plugin_t* plugin)
         ordq_item_t* it     = NULL;
         int          go     = 0;
         uint64_t     jobid  = 0;
+        char         jobidString[64];
 
         pthread_testcancel();
 
@@ -233,7 +234,8 @@ static void* fcfs_elect_job(xce_sched_plugin_t* plugin)
                 if (sched_job_is_ready(j->job)) {
                     jobid = j->job->jobid;
 
-                    TRACE("%s jobid %ld", __func__, jobid);
+                    fmt_jobid(jobidString, sizeof(jobidString), jobid);
+                    TRACE("%s jobid %s", __func__, jobidString);
                     cbuf_put(&(sched->jbuf), &jobid);
                 }
 
diff --git a/src/scheduler/src/plugins/limit.c b/src/scheduler/src/plugins/limit.c
index 1c08e40a..326b3177 100644
--- a/src/scheduler/src/plugins/limit.c
+++ b/src/scheduler/src/plugins/limit.c
@@ -226,9 +226,11 @@ static int limit_job_election(void* arg, xce_sched_job_t* job)
     xce_sched_obj_t*     obj      = job->schedobj;
     int                  rc       = 0;
     iterator_t           it;
-    xce_sched_ctx_t      ctx = { 0 };
+    xce_sched_ctx_t      ctx      = { 0 };
+    char                 jobidString[64];
 
-    TRACE("%s job %lu plugin %s", __func__, job->jobid, plugin->name);
+    fmt_jobid(jobidString, sizeof(jobidString), job->jobid);
+    TRACE("%s job %s plugin %s", __func__, jobidString, plugin->name);
 
     if (obj->configver >= sched->configver) {
         return 0;
diff --git a/src/scheduler/src/scheduler.c b/src/scheduler/src/scheduler.c
index 6bdf5aea..5b00a253 100644
--- a/src/scheduler/src/scheduler.c
+++ b/src/scheduler/src/scheduler.c
@@ -224,6 +224,7 @@ static void* sched_allocator(void* arg)
     xce_use(sched);
     while (1) {
         uint64_t         jobid;
+        char             jobidString[64];
         xce_decision_t*  decision = NULL;
         xce_sched_job_t* job      = NULL;
         int              rc       = 0;
@@ -240,7 +241,8 @@ static void* sched_allocator(void* arg)
 
         job = sched_get_job(sched, jobid);
         if (job == NULL) {
-            TRACE("%s job %lu can not be found", __func__, jobid);
+            fmt_jobid(jobidString, sizeof(jobidString), jobid);
+            TRACE("%s job %s can not be found", __func__, jobidString);
             continue;
         }
 
@@ -255,7 +257,8 @@ static void* sched_allocator(void* arg)
             /* job is pend */
             xce_pendreason_t* reason = job->schedobj->reason;
 
-            WARN("job %ld is pending but pend reason is NULL", jobid);
+            fmt_jobid(jobidString, sizeof(jobidString), jobid);
+            WARN("job %s is pending but pend reason is NULL", jobidString);
             
             if (reason != NULL) {
                 reason->jobid = job->jobid;