diff --git a/tools/launch_nicely.sh b/tools/launch_nicely.sh
index 6a2e0646..ab9dcfa7 100755
--- a/tools/launch_nicely.sh
+++ b/tools/launch_nicely.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
-time nice -n 19 ionice -c 3 $1
+time nice -n 19 ionice -c 3 "$@"