diff --git a/test/common/autotest_common.sh b/test/common/autotest_common.sh
index c4ed486aa..2ea1c8383 100755
--- a/test/common/autotest_common.sh
+++ b/test/common/autotest_common.sh
@@ -1405,7 +1405,7 @@ set -o errtrace
 shopt -s extdebug
 trap "trap - ERR; print_backtrace >&2" ERR
 
-PS4=' \t	-- ${BASH_SOURCE#*test/}@${LINENO} -- \$ '
+PS4=' \t	-- ${BASH_SOURCE#${BASH_SOURCE%/*/*}/}@${LINENO} -- \$ '
 if $SPDK_AUTOTEST_X; then
 	# explicitly enable xtraces, overriding any tracking information.
 	unset XTRACE_DISABLED