diff --git a/extensions/amp-carousel/0.1/scrollable-carousel.js b/extensions/amp-carousel/0.1/scrollable-carousel.js
index 1e9682001819..b5815707349f 100644
--- a/extensions/amp-carousel/0.1/scrollable-carousel.js
+++ b/extensions/amp-carousel/0.1/scrollable-carousel.js
@@ -402,12 +402,12 @@ export class AmpScrollableCarousel extends AMP.BaseElement {
 
   /** Used by amp-lightbox-gallery */
   interactionNext() {
-    this.controls_.interactionNext();
+    this.controls_.handleNext();
   }
 
   /** Used by amp-lightbox-gallery */
   interactionPrev() {
-    this.controls_.interactionPrev();
+    this.controls_.handlePrev();
   }
 
   /**
diff --git a/extensions/amp-carousel/0.1/slidescroll.js b/extensions/amp-carousel/0.1/slidescroll.js
index 16fa0eb14439..63e1d6982d71 100644
--- a/extensions/amp-carousel/0.1/slidescroll.js
+++ b/extensions/amp-carousel/0.1/slidescroll.js
@@ -339,12 +339,12 @@ export class AmpSlideScroll extends AMP.BaseElement {
 
   /** Used by amp-lightbox-gallery */
   interactionNext() {
-    this.controls_.interactionNext();
+    this.controls_.handleNext();
   }
 
   /** Used by amp-lightbox-gallery */
   interactionPrev() {
-    this.controls_.interactionPrev();
+    this.controls_.handlePrev();
   }
 
   /**