diff --git a/bin/feedgnuplot b/bin/feedgnuplot
index c432edf..0ac2465 100755
--- a/bin/feedgnuplot
+++ b/bin/feedgnuplot
@@ -805,7 +805,7 @@ sub mainThread
     # we persist gnuplot, so we shouldn't need this sleep. However, once
     # gnuplot exits, but the persistent window sticks around, you can no
     # longer interactively zoom the plot. So we still sleep
-    sleep(100000) unless $options{dump} || $options{exit};
+    sleep(100000000) unless $options{dump} || $options{exit};
 }
 
 sub pruneOldData