diff --git a/TRITON/iocBoot/iocTRITON-IOC-01/config.xml b/TRITON/iocBoot/iocTRITON-IOC-01/config.xml
index a7ecc3d7f..156e72f39 100644
--- a/TRITON/iocBoot/iocTRITON-IOC-01/config.xml
+++ b/TRITON/iocBoot/iocTRITON-IOC-01/config.xml
@@ -5,7 +5,7 @@
 <macros>
 <macro name="IPADDR" pattern="^.*$" description="IP address to connect to." defaultValue="localhost" hasDefault="YES" />
 <macro name="IPPORT" pattern="^[0-9]+$" description="Port to connect to (defaults to 33576)." defaultValue="33576" hasDefault="YES" />
-<macro name="RAMP_FILE_NAME" pattern="^\w{0,40}$" description="File name to use for ramp (defaults to Default.txt)." defaultValue="Default.txt" hasDefault="YES" />
+<macro name="RAMP_FILE_NAME" pattern="^\w{0,36}(?:\.txt|.TXT)$" description="File name to use for ramp (defaults to Default.txt)." defaultValue="Default.txt" hasDefault="YES" />
 <macro name="USE_RAMP_FILE" pattern="^(0|1)$" description="Whether to use (1) or not use (0) the ramp file specified above (defaults to 0)." defaultValue="0" hasDefault="YES" />
 <macro name="POLL_RATE" pattern="^.*$" description="The poll rate of non-channel values." hasDefault="YES" defaultValue="1 second"/>
 <macro name="CHANNEL_POLL_RATE" pattern="^.*$" description="The poll rate of channel values." hasDefault="YES" defaultValue="10 second"/>