diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 2a88b3ea..2aca0a19 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -413,6 +413,7 @@ Use bb run --help to show this help output.
     Float java.lang.Float
     Long java.lang.Long
     Math java.lang.Math
+    NullPointerException java.lang.NullPointerException
     Number java.lang.Number
     NumberFormatException java.lang.NumberFormatException
     Object java.lang.Object