diff --git a/js/bootstrap-carousel.js b/js/bootstrap-carousel.js
index 6a1b21f370..4838a16847 100644
--- a/js/bootstrap-carousel.js
+++ b/js/bootstrap-carousel.js
@@ -164,7 +164,7 @@
       if (!data) $this.data('carousel', (data = new Carousel(this, options)))
       if (typeof option == 'number') data.to(option)
       else if (action) data[action]()
-      else if (options.interval) data.cycle()
+      else if (options.interval) data.pause().cycle()
     })
   }
 
diff --git a/js/bootstrap-collapse.js b/js/bootstrap-collapse.js
index 9e72112188..6755aa7e20 100644
--- a/js/bootstrap-collapse.js
+++ b/js/bootstrap-collapse.js
@@ -52,7 +52,7 @@
         , actives
         , hasData
 
-      if (this.transitioning) return
+      if (this.transitioning || this.$element.hasClass('in')) return
 
       dimension = this.dimension()
       scroll = $.camelCase(['scroll', dimension].join('-'))