diff --git a/gson/src/main/java/com/google/gson/GsonBuilder.java b/gson/src/main/java/com/google/gson/GsonBuilder.java
index 21ff96df61..8a3f273eb0 100644
--- a/gson/src/main/java/com/google/gson/GsonBuilder.java
+++ b/gson/src/main/java/com/google/gson/GsonBuilder.java
@@ -741,7 +741,7 @@ public GsonBuilder registerTypeHierarchyAdapter(Class<?> baseType, Object typeAd
         || typeAdapter instanceof JsonDeserializer<?>
         || typeAdapter instanceof TypeAdapter<?>);
 
-    if(JsonElement.class.isAssignableFrom(baseType)){
+    if (JsonElement.class.isAssignableFrom(baseType)) {
       throw new IllegalArgumentException("Cannot override built-in adapter for " + baseType);
     }