diff --git a/MVMCore/MVMCore/Categories/Dictionary+MFConvenience.swift b/MVMCore/MVMCore/Categories/Dictionary+MFConvenience.swift
index 5f1c096..0ffad8d 100644
--- a/MVMCore/MVMCore/Categories/Dictionary+MFConvenience.swift
+++ b/MVMCore/MVMCore/Categories/Dictionary+MFConvenience.swift
@@ -54,17 +54,13 @@ public extension Dictionary {
     /// Returns a Dictionary after looking up the specified key. An empty dictionary is returned if a dictionary for the key does not exist
     func dictionaryForKey(_ key: String) -> [String: Any] {
         
-        guard let key = key as? Key else { return [:] }
-        
-        return self[key] as? [String: Any] ?? [:]
+        return optionalDictionaryForKey(key) ?? [:]
     }
     
     /// Returns a String after looking up the specified key. An empty string will be returned if a string for the key does not exist
     func stringForkey(_ key: String) -> String {
         
-        guard let key = key as? Key else { return "" }
-        
-        return self[key] as? String ?? ""
+        return optionalStringForKey(key) ?? ""
     }
     
     /// Returns a String after looking up the specified key. Nil will be returned if a string for the key does not exist
@@ -76,9 +72,7 @@ public extension Dictionary {
     /// Returns an Array after looking up the specified key. An empty array will be returned if an array for the key does not exist
     func arrayForKey(_ key: String) -> [Any] {
         
-        guard let key = key as? Key else { return [] }
-        
-        return self[key] as? [Any] ?? []
+        return optionalArrayForKey(key) ?? []
     }
     
     func optionalArrayForKey(_ key: String) -> [Any]? {
@@ -91,9 +85,7 @@ public extension Dictionary {
     /// Return a Bool after looking up the specified key. This will return false if the key does not exist
     func boolForKey(_ key: String) -> Bool {
         
-        guard let key = key as? Key else { return false }
-        
-        return self[key] as? Bool ?? false
+        return optionalBoolForKey(key) ?? false
     }
     
     /// Return a Bool after looking up the specified key. This will return false if the key does not exist
@@ -101,7 +93,7 @@ public extension Dictionary {
         
         guard let key = key as? Key else { return nil }
         
-        return self[key] as? Bool ?? nil
+        return self[key] as? Bool
     }
     
     func lenientBoolForKey(_ key: String) -> Bool {