diff --git a/tests/runtests.pl b/tests/runtests.pl
index 4f79800484..97163f305f 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -72,6 +72,7 @@ use Cwd;
 
 # Subs imported from serverhelp module
 use serverhelp qw(
+    servername_id
     servername_str
     server_pidfilename
     server_logfilename