diff --git a/nullaway/src/main/java/com/uber/nullaway/GenericsChecks.java b/nullaway/src/main/java/com/uber/nullaway/GenericsChecks.java
index 3182559ef6..06211baf8b 100644
--- a/nullaway/src/main/java/com/uber/nullaway/GenericsChecks.java
+++ b/nullaway/src/main/java/com/uber/nullaway/GenericsChecks.java
@@ -601,8 +601,9 @@ public Boolean visitArrayType(Type.ArrayType lhsType, Type rhsType) {
         }
 
         @Override
+        @Nullable
         public Boolean visitType(Type t, Type type) {
-          return false;
+          return null;
         }
       };