diff --git a/local/bin/sphere.sh b/local/bin/sphere.sh
index f7766a1..636630b 100755
--- a/local/bin/sphere.sh
+++ b/local/bin/sphere.sh
@@ -22,7 +22,7 @@ if [ -n "$1" ]; then
         shift
     done
 else
-    mpv --no-correct-pts --fps 4 http://kelder.zeus.ugent.be/webcam/video/mjpg.cgi 
+    mpv --no-correct-pts --fps=4 http://kelder.zeus.ugent.be/webcam/video/mjpg.cgi 
 fi