diff --git a/checkin_notes b/checkin_notes
index 7bf5671f58..b6b64da888 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -9020,6 +9020,7 @@ David  7 Jan 2004
     - scheduling server: if get invalid hostid,
         look up user before creating new host
          (otherwise will create a host record with userid 0)
+    - if get a result that's already been received, ignore it
 
     sched/
         handle_request.C
diff --git a/sched/handle_request.C b/sched/handle_request.C
index ace9ac345f..a508b8a1b5 100644
--- a/sched/handle_request.C
+++ b/sched/handle_request.C
@@ -531,6 +531,15 @@ int handle_results(
             continue;
         }
 
+        if (result.received_time) {
+            log_messages.printf(
+                SchedMessages::CRITICAL,
+                "[HOST#%d] [RESULT#%d %s] got result twice\n",
+                host.id, result.id, result.name
+            );
+            continue;
+        }
+
         if (result.hostid != sreq.hostid) {
             log_messages.printf(
                 SchedMessages::CRITICAL,