diff --git a/lib/utils.robot b/lib/utils.robot
index 81b82a2..5847ced 100755
--- a/lib/utils.robot
+++ b/lib/utils.robot
@@ -957,7 +957,7 @@
     # For a given string, look for prefix and suffix for matching expression.
     # Start of string followed by zero or more of any character followed by
     # any digit or lower case character.
-    ${resp}=  Get Matches  ${list}  regexp=^.*[0-9a-z_].${endpoint}[0-9a-z]*$
+    ${resp}=  Get Matches  ${list}  regexp=^.*[0-9a-z_].${endpoint}\[0-9a-z]*$
 
     [Return]  ${resp}