diff --git a/src/state.js b/src/state.js
index 0ba2d8f97..555f1895c 100644
--- a/src/state.js
+++ b/src/state.js
@@ -1171,15 +1171,9 @@ function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory) {
       options = extend({ relative: $state.$current }, options || {});
       var state = findState(stateOrName, options.relative);
 
-      if (!isDefined(state)) {
-        return undefined;
-      }
-
-      if ($state.$current !== state) {
-        return false;
-      }
-
-      return isDefined(params) && params !== null ? angular.equals($stateParams, params) : true;
+      if (!isDefined(state)) { return undefined; }
+      if ($state.$current !== state) { return false; }
+      return params ? equalForKeys(state.params.$$values(params), $stateParams) : true;
     };
 
     /**
@@ -1243,13 +1237,9 @@ function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory) {
       }
 
       var state = findState(stateOrName, options.relative);
-      if (!isDefined(state)) {
-        return undefined;
-      }
-      if (!isDefined($state.$current.includes[state.name])) {
-        return false;
-      }
-      return equalForKeys(params, $stateParams);
+      if (!isDefined(state)) { return undefined; }
+      if (!isDefined($state.$current.includes[state.name])) { return false; }
+      return params ? equalForKeys(state.params.$$values(params), $stateParams, objectKeys(params)) : true;
     };
 
 
diff --git a/src/stateDirectives.js b/src/stateDirectives.js
index dcfef5592..4d9d527dd 100644
--- a/src/stateDirectives.js
+++ b/src/stateDirectives.js
@@ -253,15 +253,11 @@ function $StateRefActiveDirective($state, $stateParams, $interpolate) {
 
       function isMatch() {
         if (typeof $attrs.uiSrefActiveEq !== 'undefined') {
-          return $state.$current.self === state && matchesParams();
+          return state && $state.is(state.name, params);
         } else {
-          return state && $state.includes(state.name) && matchesParams();
+          return state && $state.includes(state.name, params);
         }
       }
-
-      function matchesParams() {
-        return !params || equalForKeys(params, $stateParams);
-      }
     }]
   };
 }