diff --git a/tests/cleanup_datastore.bash.in b/tests/cleanup_datastore.bash.in
index 835ab88..f5f71ac 100755
--- a/tests/cleanup_datastore.bash.in
+++ b/tests/cleanup_datastore.bash.in
@@ -32,4 +32,4 @@
 fi
 
 rm -r "$SYSREPO_REPOSITORY_PATH"
-rm "/dev/shm/$SYSREPO_SHM_PREFIX"*
+rm -rf "/dev/shm/$SYSREPO_SHM_PREFIX"*