diff --git a/tools/editor/adt_writer.cpp b/tools/editor/adt_writer.cpp
index f43a40e5..1630341d 100644
--- a/tools/editor/adt_writer.cpp
+++ b/tools/editor/adt_writer.cpp
@@ -154,6 +154,11 @@ void ADTWriter::writeMODF(std::vector<uint8_t>& buf, const pipeline::ADTTerrain&
         writeFloat(buf, p.extentUpper[2]);
         writeU16(buf, p.flags);
         writeU16(buf, p.doodadSet);
+        // MODF entry is 64 bytes total; we wrote 60, pad with nameSet(0) + scale(1024).
+        // Loader treats entrySize as 64, so missing trailing bytes mis-align the
+        // next entry. scale=1024 = 1.0 in MODF's fixed-point u16 encoding.
+        writeU16(buf, 0);
+        writeU16(buf, 1024);
     }
     patchSize(buf, start);
 }