diff --git a/src/extensions/scratch3_video_sensing/index.js b/src/extensions/scratch3_video_sensing/index.js
index 58796cf0e..145a204d4 100644
--- a/src/extensions/scratch3_video_sensing/index.js
+++ b/src/extensions/scratch3_video_sensing/index.js
@@ -117,7 +117,6 @@ class Scratch3VideoSensingBlocks {
         const offset = time - this._lastUpdate;
         if (offset > Scratch3VideoSensingBlocks.INTERVAL) {
             const frame = this.runtime.ioDevices.video.getFrame({
-                mirror: true,
                 format: Video.FORMAT_IMAGE_DATA,
                 dimensions: Scratch3VideoSensingBlocks.DIMENSIONS
             });
@@ -340,12 +339,14 @@ class Scratch3VideoSensingBlocks {
     }
 
     videoToggle (args) {
+        // imported blocks have VIDEO_STATE "off", "on", "on-flipped" as opposed to the numerics?
         const state = Number(args.VIDEO_STATE);
         // 1 == off, 2 & 3 are on (3 is flipped)
-        if (state > 1) {
-            this.runtime.ioDevices.video.requestVideo();
-        } else {
+        if (args.VIDEO_STATE === 'off' || state === 1) {
             this.runtime.ioDevices.video.disableVideo();
+        } else {
+            this.runtime.ioDevices.video.requestVideo();
+            this.runtime.ioDevices.video.mirror = args.VIDEO_STATE === 'on' || state === 2;
         }
     }
 
diff --git a/src/io/video.js b/src/io/video.js
index c1888e1ac..f5e36a56c 100644
--- a/src/io/video.js
+++ b/src/io/video.js
@@ -8,6 +8,12 @@ class Video {
          */
         this.runtime = runtime;
 
+        /**
+         * Default value for mirrored frames.
+         * @type boolean
+         */
+        this.mirror = true;
+
         /**
          * Cache frames for this many ms.
          * @type number
@@ -136,7 +142,7 @@ class Video {
      */
     getFrame ({
         dimensions = Video.DIMENSIONS,
-        mirror = true,
+        mirror = this.mirror,
         format = Video.FORMAT_IMAGE_DATA,
         cacheTimeout = this._frameCacheTimeout
     }) {