diff --git tests/invocation.tests tests/invocation.tests
index c629c29..537e470 100644
--- tests/invocation.tests
+++ tests/invocation.tests
@@ -71,7 +71,7 @@ command cd -L $TDIR
 ./x23
 
 # this should result in a cannot execute binary file error since ls is in $PATH
-PATH=/bin:/usr/bin
+#PATH=/bin:/usr/bin
 ${THIS_SH} ls |& sed 's|^.*: ||'
 
 cd $SAVEPWD