diff --git a/testing/btest/Baseline/bifs.piped_exec/output b/testing/btest/Baseline/bifs.piped_exec/output
index da0cd42f70..122a8e6257 100644
--- a/testing/btest/Baseline/bifs.piped_exec/output
+++ b/testing/btest/Baseline/bifs.piped_exec/output
@@ -1,3 +1,4 @@
 ### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
 hello world
 foobar
+success!
diff --git a/testing/btest/bifs/piped_exec.zeek b/testing/btest/bifs/piped_exec.zeek
index d33f902e5e..c3cf0efb2a 100644
--- a/testing/btest/bifs/piped_exec.zeek
+++ b/testing/btest/bifs/piped_exec.zeek
@@ -15,3 +15,4 @@ if ( piped_exec("unset ZEEK_USE_CPP; zeek", cmds) != T )
 if ( piped_exec("cat > test.txt", "\x00\x00hello\x00\x00") != T )
 	exit(1);
 
+print "success!";