diff --git a/src/modules/unpackfs/runtests.sh b/src/modules/unpackfs/runtests.sh
index 2b9b704c0..be175e0cd 100644
--- a/src/modules/unpackfs/runtests.sh
+++ b/src/modules/unpackfs/runtests.sh
@@ -7,9 +7,21 @@ mkdir /tmp/unpackfs-test-run-rootdir3
 # For test 7
 mkdir /tmp/unpackfs-test-run-rootdir3/realdest
 
+# For test 9
+mkdir /tmp/unpackfs-test-run-rootdir3/smalldest
+if test 0 = $( id -u ) ; then
+    mount -t tmpfs -o size=32M tmpfs /tmp/unpackfs-test-run-rootdir3/smalldest
+    dd if=/dev/zero of=/tmp/unpackfs-test-run-rootdir3/smalldest/bogus.zero bs=1M count=1
+fi
+
 # Run tests
 sh "$SRCDIR/../testpythonrun.sh" unpackfs
 
+# Cleanup test 9
+if test 0 = $( id -u ) ; then
+    umount /tmp/unpackfs-test-run-rootdir3/smalldest
+fi
+
 # Cleanup test 7
 rm -rf /tmp/unpackfs-test-run-rootdir3/realdest
 
diff --git a/src/modules/unpackfs/tests/9.global b/src/modules/unpackfs/tests/9.global
new file mode 100644
index 000000000..82ca8f6f6
--- /dev/null
+++ b/src/modules/unpackfs/tests/9.global
@@ -0,0 +1,3 @@
+# This test uses a small destination FS, to make rsync fail
+---
+rootMountPoint: /tmp/unpackfs-test-run-rootdir3/
diff --git a/src/modules/unpackfs/tests/9.job b/src/modules/unpackfs/tests/9.job
new file mode 100644
index 000000000..7eabd497c
--- /dev/null
+++ b/src/modules/unpackfs/tests/9.job
@@ -0,0 +1,6 @@
+# This test uses a small destination FS, to make rsync fail
+---
+unpack:
+   - source: .
+     sourcefs: ext4
+     destination: smalldest