diff --git a/flaskinventory/flaskdgraph/dgraph_types.py b/flaskinventory/flaskdgraph/dgraph_types.py
index b3f18b8a..aa0464b8 100644
--- a/flaskinventory/flaskdgraph/dgraph_types.py
+++ b/flaskinventory/flaskdgraph/dgraph_types.py
@@ -82,7 +82,8 @@ def __init__(self, value, facets=None):
             value = str(value).lower()
 
         self.value = str(value).strip()
-        self.value = json.dumps(self.value)
+        if self.value != '*':
+            self.value = json.dumps(self.value)
         if facets:
             self.facets = facets