diff --git a/test/output/test/produces-output/repl.carp.output.expected b/test/output/test/produces-output/repl.carp.output.expected
new file mode 100644
index 00000000..48082f72
--- /dev/null
+++ b/test/output/test/produces-output/repl.carp.output.expected
@@ -0,0 +1 @@
+12
diff --git a/test/produces-output/repl.carp b/test/produces-output/repl.carp
index 7939ea67..ee4660db 100644
--- a/test/produces-output/repl.carp
+++ b/test/produces-output/repl.carp
@@ -5,7 +5,7 @@
 
 (build)
 
-(M.f)
+(M.f 2)
 
 (quit)