diff --git a/tests/globalconfig.pm b/tests/globalconfig.pm
index 6d5e53237eaeab..ca78f5dbec7d09 100644
--- a/tests/globalconfig.pm
+++ b/tests/globalconfig.pm
@@ -90,7 +90,7 @@ our $randseed = 0;    # random number seed
 # paths
 our $pwd = getcwd();  # current working directory
 our $srcdir = $ENV{'srcdir'} || '.';  # root of the test source code
-our $perl="perl -I$srcdir"; # invoke perl like this
+our $perl="perl -I. -I$srcdir"; # invoke perl like this
 our $LOGDIR="log";  # root of the log directory; this will be different for
                     # each runner in multiprocess mode
 our $LIBDIR="./libtest";