diff --git a/week01/lab/Dockerfile.yolo b/week01/lab/Dockerfile.yolo
index 99a1d365..f938a85c 100644
--- a/week01/lab/Dockerfile.yolo
+++ b/week01/lab/Dockerfile.yolo
@@ -16,7 +16,7 @@ RUN apt-get update && apt-get install -y qt5-default libvtk6-dev
 
 # Media I/O:
 RUN apt-get install -y zlib1g-dev libjpeg-dev libwebp-dev libpng-dev libtiff5-dev libjasper-dev libopenexr-dev libgdal-dev
-is:issue is:open 
+# is:issue is:open 
 # Video I/O:
 RUN apt-get install -y libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev libtheora-dev libvorbis-dev libxvidcore-dev libx264-dev yasm libopencore-amrnb-dev libopencore-amrwb-dev libv4l-dev libxine2-dev