diff --git a/tests/shell/runtests.sh b/tests/shell/runtests.sh
index d62f240..0b962eb 100755
--- a/tests/shell/runtests.sh
+++ b/tests/shell/runtests.sh
@@ -6,7 +6,7 @@ SHELL="${EMULDIR}/shell/shell"
 replay() {
     fn=$1
     replayfn=${fn%.*}.expected
-    ACTUAL=$("${SHELL}" < "${fn}" 2> /dev/null)
+    ACTUAL=$("${SHELL}" -f test.cfs < "${fn}" 2> /dev/null)
     EXPECTED=$(cat ${replayfn})
     if [ "$ACTUAL" = "$EXPECTED" ]; then
         echo ok
diff --git a/tests/shell/test.cfs b/tests/shell/test.cfs
new file mode 100644
index 0000000..f9fb1b6
Binary files /dev/null and b/tests/shell/test.cfs differ