1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/zwobble/mammoth/internal/docx/NumberingXml.java b/src/main/java/org/zwobble/mammoth/internal/docx/NumberingXml.java
index 1f2fd41..fa1941f 100644
--- a/src/main/java/org/zwobble/mammoth/internal/docx/NumberingXml.java
+++ b/src/main/java/org/zwobble/mammoth/internal/docx/NumberingXml.java
@@ -51,7 +51,7 @@ public class NumberingXml {
     ) {
         // TODO: in python-mammoth, we allow None here. Check whether that's actually possible or not
         String numId = numElement.getAttribute("w:numId");
-        String abstractNumId = numElement.findChild("w:abstractNumId").getAttribute("w:val");
+        String abstractNumId = numElement.findChild("w:abstractNumId").get().getAttribute("w:val");
         return entry(numId, lookup(abstractNums, abstractNumId).get());
     }
 }