diff --git a/contrib/stack/stripmapStack/prepareUAVSAR_coregStack.py b/contrib/stack/stripmapStack/prepareUAVSAR_coregStack.py
index ec743ec..95c28d6 100755
--- a/contrib/stack/stripmapStack/prepareUAVSAR_coregStack.py
+++ b/contrib/stack/stripmapStack/prepareUAVSAR_coregStack.py
@@ -24,6 +24,8 @@ def createParser():
             help='output directory which will be used for unpacking.')
     parser.add_argument('-s', '--segment', dest='segment', type=str, default='1',
             help='segment of the UAVSAR stack to prepare. For "s2" use "2", etc. Default is "1" ')
+    parser.add_argument('-t', '--text_cmd', dest='text_cmd', type=str, default='source ~/.bash_profile;', 
+            help='text command to be added to the beginning of each line of the run files. Default: source ~/.bash_profile;')
 
     return parser