diff --git a/docker-prune b/docker-prune
index 2e59318..5a154f9 100755
--- a/docker-prune
+++ b/docker-prune
@@ -37,7 +37,7 @@ success() {
 }
 
 # commandline parameter evaluation
-filter="until=24h"
+filter="until=168h"
 while test $# -gt 0; do
     case "$1" in
         (--help|-h) less <<EOF