diff --git a/startup.script_linux b/startup.script_linux
index b632307..cc3adcb 100644
--- a/startup.script_linux
+++ b/startup.script_linux
@@ -7,6 +7,7 @@ epicsEnvSet EPICS, R$(BASE)
 epicsEnvSet TEMPLATES, $(INSTBASE)/iocBoot/templates
 epicsEnvSet CFG, $(PWD)/cfg
 epicsEnvSet STREAM_PROTOCOL_PATH, .:$(PWD)/cfg
+epicsEnvSet gpasciiCommander, $(INSTBASE)/iocBoot/startup/gpasciiCommander$(GPASCII_VERSION=)
 
 require sysmon