diff --git a/startup.script_part2 b/startup.script_part2
index 4a9118e..62c94ed 100644
--- a/startup.script_part2
+++ b/startup.script_part2
@@ -2,6 +2,7 @@
 
 # IOC monitoring
 require R3_13?"iocmon":"iocStats", getenv(R3_13?"iocmon_VERSION":"iocStats_VERSION")
+require "iocmonCompat", "ifexists"
 
 # Battery monitoring
 require "M48T37", getenv("M48T37_VERSION")?getenv("M48T37_VERSION"):"ifexists"