diff --git a/video/theora_decoder.cpp b/video/theora_decoder.cpp
index b9b57912d30..3edb5800165 100644
--- a/video/theora_decoder.cpp
+++ b/video/theora_decoder.cpp
@@ -169,7 +169,11 @@ bool TheoraDecoder::loadStream(Common::SeekableReadStream *stream) {
 	if (_hasVideo) {
 		_videoTrack = new TheoraVideoTrack(getDefaultHighColorFormat(), theoraInfo, theoraSetup);
 		addTrack(_videoTrack);
-		setRate(_videoTrack->getFrameRate());
+		// Set video speed to 1x
+		// Note: video_decoder's setRate() method does not set frames-per-second rate
+		//       but rather the speed of the playback (eg. 1x, 2x etc, with 1x being normal speed).
+		//       Hence, we do not pass _videoTrack->getFrameRate() as argument to setRate().
+		setRate(1);
 	}
 
 	th_info_clear(&theoraInfo);