diff --git a/src/Mark/Internal/Description.elm b/src/Mark/Internal/Description.elm
index 5823695..b2f8301 100644
--- a/src/Mark/Internal/Description.elm
+++ b/src/Mark/Internal/Description.elm
@@ -863,7 +863,7 @@ matchExpected subExp expected =
             List.all (matchExpectedOptions twoOptions) oneOptions
 
         ( ExpectManyOf oneOptions, ExpectManyOf twoOptions ) ->
-            List.all (matchExpectedOptions twoOptions) oneOptions
+            List.all (matchExpectedOptions oneOptions) twoOptions
 
         ( ExpectStartsWith oneStart oneRemain, ExpectStartsWith twoStart twoRemain ) ->
             matchExpected oneStart twoStart