diff --git a/guava/src/com/google/common/reflect/TypeToken.java b/guava/src/com/google/common/reflect/TypeToken.java
index e9f61b0c489e..589885b9ce28 100644
--- a/guava/src/com/google/common/reflect/TypeToken.java
+++ b/guava/src/com/google/common/reflect/TypeToken.java
@@ -836,6 +836,9 @@ public boolean apply(TypeToken<?> type) {
    */
   @Override
   public boolean equals(@Nullable Object o) {
+    if (o == this) {
+      return true;
+    }
     if (o instanceof TypeToken) {
       TypeToken<?> that = (TypeToken<?>) o;
       return runtimeType.equals(that.runtimeType);