diff --git a/api/boinc_api.C b/api/boinc_api.C
index 95fca27b61..02eb6d90d6 100644
--- a/api/boinc_api.C
+++ b/api/boinc_api.C
@@ -539,7 +539,7 @@ static void handle_process_control_msg() {
                     }
                     boinc_sleep(1.0);
                 }
-                heartbeat_giveup_time = interrupt_time + HEARTBEAT_GIVEUP_PERIOD;
+                heartbeat_giveup_time = interrupt_count + HEARTBEAT_GIVEUP_PERIOD;
 #endif
             }
         }
diff --git a/checkin_notes b/checkin_notes
index b1058e346b..5806b28bcc 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -9502,3 +9502,12 @@ David  23 July 2005
 		gui_rpc_server.C,h
 	lib/
 		shmem.C
+
+Janus 23 July 2005
+    - API: Compile error in the previous checkin due to undefined
+        variable interrupt_time. I assume it should be interrupt_count.
+	Please change if this isn't right...
+
+    /api/
+       boinc_api.C
+