diff --git a/src/main/java/net/knarcraft/bookswithoutborders/utility/BookFormatter.java b/src/main/java/net/knarcraft/bookswithoutborders/utility/BookFormatter.java
index 5c218e4..29dbcbb 100644
--- a/src/main/java/net/knarcraft/bookswithoutborders/utility/BookFormatter.java
+++ b/src/main/java/net/knarcraft/bookswithoutborders/utility/BookFormatter.java
@@ -95,8 +95,11 @@ public final class BookFormatter {
      */
     public static void formatLastPageAddNewline(@NotNull List<String> rawPages, int fitsNewline) {
         int pageIndex = rawPages.size() - 1;
-        if (rawPages.get(pageIndex).length() <= fitsNewline && !rawPages.get(pageIndex).isEmpty()) {
-            rawPages.set(pageIndex, (rawPages.get(pageIndex)) + "\n");
+        String pageContents = rawPages.get(pageIndex);
+        if (pageContents == null) {
+            rawPages.set(pageIndex, "");
+        } else if (pageContents.length() <= fitsNewline && !pageContents.isEmpty()) {
+            rawPages.set(pageIndex, pageContents + "\n");
         }
     }