diff --git a/lib/keywords/contains.js b/lib/keywords/contains.js
index ce6135c..642cbe0 100644
--- a/lib/keywords/contains.js
+++ b/lib/keywords/contains.js
@@ -33,7 +33,7 @@ const interpret = ({ contains, minContains, maxContains }, instance, context) =>
     }
     index++;
   }
-  return matches >= minContains && matches <= maxContains;
+  return matches <= maxContains && (minContains === 0 || matches >= minContains);
 };
 
 export default { id, compile, interpret };