diff --git a/examples/example.dup b/examples/example.dup
index f260d3a59e4ddb6c369b5720510c76253c69e354..0ed5b2a87f2f35438806f61fcb7a3a8b122492b6 100644
--- a/examples/example.dup
+++ b/examples/example.dup
@@ -135,6 +135,7 @@ include = /var/lib/dpkg/status-old
 
 # files to exclude from the backup
 exclude = /home/*/.gnupg
+exclude = /var/cache/backupninja/duplicity
 
 ######################################################
 ## destination section
diff --git a/examples/example.rdiff b/examples/example.rdiff
index 08e886965a109399fb205889e64c9902a5ab9cd7..5adecd8e92dd4baaaa35697b42ae95e030476d36 100644
--- a/examples/example.rdiff
+++ b/examples/example.rdiff
@@ -122,6 +122,7 @@ include = /var/lib/dpkg/status-old
 
 ## files to exclude from the backup
 exclude = /home/*/.gnupg
+exclude = /var/cache/backupninja/duplicity
 
 ######################################################
 ## destination section
diff --git a/handlers/dup.helper.in b/handlers/dup.helper.in
index ea2784448db0b1393563205c407402f53cf18697..e985c5e7bd097646efe8a35d26c6eee935989659 100644
--- a/handlers/dup.helper.in
+++ b/handlers/dup.helper.in
@@ -552,7 +552,7 @@ dup_wizard() {
    # Global variables whose '*' shall not be expanded
    set -o noglob
    dup_default_includes="/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*"
-   dup_default_excludes="/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads"
+   dup_default_excludes="/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads /var/cache/backupninja/duplicity"
    set +o noglob
 
    dup_main_menu
diff --git a/handlers/rdiff.helper.in b/handlers/rdiff.helper.in
index e35d6297f5babc58e6633826b6e7e5477e35d5ab..b5bb8bba35deca7cd06879a16433b9f7e778e628 100644
--- a/handlers/rdiff.helper.in
+++ b/handlers/rdiff.helper.in
@@ -415,7 +415,7 @@ rdiff_wizard() {
    # Global variables whose '*' shall not be expanded
    set -o noglob
    rdiff_includes=(/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*)
-   rdiff_excludes=(/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads)
+   rdiff_excludes=(/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads /var/cache/backupninja/duplicity)
    rdiff_vsincludes=
    set +o noglob