1 files changed, 6 insertions, 0 deletions
diff --git a/source/blender/io/alembic/intern/abc_customdata.cc b/source/blender/io/alembic/intern/abc_customdata.cc
index 830ec731e20..4e2dcc9b8cd 100644
--- a/source/blender/io/alembic/intern/abc_customdata.cc
+++ b/source/blender/io/alembic/intern/abc_customdata.cc
@@ -545,6 +545,12 @@ void read_generated_coordinates(const ICompoundProperty &prop,
   const size_t totvert = abc_ocro.get()->size();
   Mesh *mesh = config.mesh;
 
+  if (totvert != mesh->totvert) {
+    /* Either the data is somehow corrupted, or we have a dynamic simulation where only the ORCOs
+     * for the first frame were exported. */
+    return;
+  }
+
   void *cd_data;
   if (CustomData_has_layer(&mesh->vdata, CD_ORCO)) {
     cd_data = CustomData_get_layer(&mesh->vdata, CD_ORCO);