diff --git a/testing/btest/policy/misc/default-loaded-scripts.test b/testing/btest/policy/misc/default-loaded-scripts.test
index ca67058dd5..c7f0d12a23 100644
--- a/testing/btest/policy/misc/default-loaded-scripts.test
+++ b/testing/btest/policy/misc/default-loaded-scripts.test
@@ -7,6 +7,6 @@
 
 # @TEST-EXEC: bro misc/loaded-scripts
 # @TEST-EXEC: test -e loaded_scripts.log
-# @TEST-EXEC: cat loaded_scripts.log | awk 'NR>1{print $2}' | sed ':a;$!N;s/^\(.*\).*\n\1.*/\1/;ta' >prefix
+# @TEST-EXEC: cat loaded_scripts.log | awk 'NR>1{print $2}' | sed -e ':a' -e '$!N' -e 's/^\(.*\).*\n\1.*/\1/' -e 'ta' >prefix
 # @TEST-EXEC: cat loaded_scripts.log | sed "s#`cat prefix`##g" >canonified_loaded_scripts.log
 # @TEST-EXEC: btest-diff canonified_loaded_scripts.log