diff --git a/cuebot/src/main/java/com/imageworks/spcue/dispatcher/DispatchSupportService.java b/cuebot/src/main/java/com/imageworks/spcue/dispatcher/DispatchSupportService.java
index d50e85278..2e2708d40 100644
--- a/cuebot/src/main/java/com/imageworks/spcue/dispatcher/DispatchSupportService.java
+++ b/cuebot/src/main/java/com/imageworks/spcue/dispatcher/DispatchSupportService.java
@@ -389,6 +389,9 @@ public RunFrame prepareRqdRunFrame(VirtualProc proc, DispatchFrame frame) {
                         frame.command
                                 .replaceAll("#ZFRAME#", zFrameNumber)
                                 .replaceAll("#IFRAME#",  String.valueOf(frameNumber))
+                                .replaceAll("#FRAME_START#",  String.valueOf(frameNumber))
+                                .replaceAll("#FRAME_END#",  String.valueOf(frameNumber+frame.chunkSize-1))
+                                .replaceAll("#FRAME_CHUNK#",  String.valueOf(frame.chunkSize))
                                 .replaceAll("#LAYER#", frame.layerName)
                                 .replaceAll("#JOB#",  frame.jobName)
                                 .replaceAll("#FRAMESPEC#",  frameSpec)