diff --git a/src/slurmd/mgr.c b/src/slurmd/mgr.c
index 3163b67486877cdaff162da03496977042191ef3..555c4703fbc7ec77958957f53f29ec93b81afc82 100644
--- a/src/slurmd/mgr.c
+++ b/src/slurmd/mgr.c
@@ -563,7 +563,7 @@ _job_mgr(slurmd_job_t *job)
 	int rc = 0;
 
 	job->jmgr_pid = getpid();
-	debug3("Entered job_mgr for %d.%d pid=%lu",
+	debug3("Entered job_mgr for %u.%u pid=%lu",
 	       job->jobid, job->stepid, (unsigned long) job->jmgr_pid);
 	
 	if (shm_init(false) < 0)