diff --git a/tools/gcompris-qt.sh b/tools/gcompris-qt.sh
index a76ea4cf9..8472e7fea 100755
--- a/tools/gcompris-qt.sh
+++ b/tools/gcompris-qt.sh
@@ -1,4 +1,6 @@
 #!/bin/sh
 export LD_LIBRARY_PATH=$(dirname $0)
+## uncomment the line below in case of too fast animations, with nvidia drivers especially...
+#export QSG_RENDER_LOOP=basic
 $(dirname $0)/gcompris-qt