diff --git a/checkin_notes b/checkin_notes
index b15f136513..90dc925359 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -7772,7 +7772,7 @@ David  16 Sept 2009
 
     client/
         log_flags.cpp,h
-        schedule_op.cpp
+        scheduler_op.cpp
 
 Charlie 17 Sept 2009
     - Mac installer: create a new command-line tool AddRemoveUser to add users 
@@ -7786,3 +7786,9 @@ Charlie 17 Sept 2009
     mac_build/
         boinc.xcodeproj/
             project.pbxproj
+
+David  17 Sept 2009
+    - client: if project-supplied backoff > 28 days, cap rather than ignore
+
+    client/
+        scheduler_op.cpp
diff --git a/client/scheduler_op.cpp b/client/scheduler_op.cpp
index 8ad668ec10..ad4e2dc7a3 100644
--- a/client/scheduler_op.cpp
+++ b/client/scheduler_op.cpp
@@ -834,15 +834,15 @@ int SCHEDULER_REPLY::parse(FILE* in, PROJECT* project) {
             if (!retval) auto_update.present = true;
 #endif
         } else if (parse_double(buf, "<cpu_backoff>", cpu_backoff)) {
-            if (cpu_backoff > 28*SECONDS_PER_DAY) cpu_backoff = 0;
+            if (cpu_backoff > 28*SECONDS_PER_DAY) cpu_backoff = 28*SECONDS_PER_DAY;
             if (cpu_backoff < 0) cpu_backoff = 0;
             continue;
         } else if (parse_double(buf, "<cuda_backoff>", cuda_backoff)) {
-            if (cuda_backoff > 28*SECONDS_PER_DAY) cuda_backoff = 0;
+            if (cuda_backoff > 28*SECONDS_PER_DAY) cuda_backoff = 28*SECONDS_PER_DAY;
             if (cuda_backoff < 0) cuda_backoff = 0;
             continue;
         } else if (parse_double(buf, "<ati_backoff>", ati_backoff)) {
-            if (ati_backoff > 28*SECONDS_PER_DAY) ati_backoff = 0;
+            if (ati_backoff > 28*SECONDS_PER_DAY) ati_backoff = 28*SECONDS_PER_DAY;
             if (ati_backoff < 0) ati_backoff = 0;
             continue;
         } else if (match_tag(buf, "<!--")) {