diff --git a/src/main/java/com/facebook/ads/utils/CustomDataAdapter.java b/src/main/java/com/facebook/ads/utils/CustomDataAdapter.java
index b8d75431..d70b6ef9 100644
--- a/src/main/java/com/facebook/ads/utils/CustomDataAdapter.java
+++ b/src/main/java/com/facebook/ads/utils/CustomDataAdapter.java
@@ -68,7 +68,7 @@ public JsonElement serialize(final CustomData src, Type typeOfSrc, final JsonSer
         }
 
         // Adding Custom Properties to serialized object
-        if (null != src.getCustomProperties()) {
+        if (src.getCustomProperties() != null) {
             for (final String key : src.getCustomProperties().keySet()) {
                 serializedObject.addProperty(key, src.getCustomProperties().get(key));
             }