diff --git a/modules/src/main/java/org/archive/modules/forms/HTMLForm.java b/modules/src/main/java/org/archive/modules/forms/HTMLForm.java
index 91a0ba5a..92368dcb 100644
--- a/modules/src/main/java/org/archive/modules/forms/HTMLForm.java
+++ b/modules/src/main/java/org/archive/modules/forms/HTMLForm.java
@@ -87,7 +87,7 @@ public class HTMLForm {
     }
     
     public boolean isMultipleFormSubmitInputs(String type) {
-        if (!type.toLowerCase().equals("submit"))
+        if (type != null && !type.toLowerCase().equals("submit"))
             return false;
 
         for (FormInput input : allInputs) {