diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java
index 5bb46f2..b574b77 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java
@@ -86,7 +86,7 @@
     @Consumes("application/json")
     public Response setSprites(InputStream stream) throws IOException {
         JsonNode root = mapper.readTree(stream);
-        String name = root.path("defn_id").asText("sprites");
+        String name = root.path("defn_name").asText("sprites");
         get(SpriteService.class).put(name, root);
         return Response.ok().build();
     }
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java
index cd8c3c2..3cc12b3 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java
@@ -581,8 +581,9 @@
 
     // Sends requested sprite data.
     private void sendSpriteData(ObjectNode event) {
+        String name = event.path("payload").path("name").asText();
         ObjectNode root = mapper.createObjectNode();
-        root.set("defn", get(SpriteService.class).get(event.path("payload").path("name").asText()));
+        root.set("data", get(SpriteService.class).get(name));
         sendMessage(envelope("spriteDataResponse", number(event, "sid"), root));
     }
 
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java b/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java
index 66138e7..408a85a 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java
@@ -130,7 +130,7 @@
 
     @Override
     public void put(String name, JsonNode spriteData) {
-        log.info("Registered sprite definition {}", name);
+        log.info("Registered sprite definition [{}]", name);
         sprites.put(name, spriteData);
     }