diff --git a/add-ons/src/mender-inventory.c b/add-ons/src/mender-inventory.c
index 68400e3..3365dbd 100755
--- a/add-ons/src/mender-inventory.c
+++ b/add-ons/src/mender-inventory.c
@@ -176,6 +176,7 @@ mender_inventory_exit(void) {
     mender_inventory_keystore = NULL;
     mender_scheduler_mutex_give(mender_inventory_mutex);
     mender_scheduler_mutex_delete(mender_inventory_mutex);
+    mender_inventory_mutex = NULL;
 
     return ret;
 }