1 files changed, 2 insertions, 3 deletions
diff --git a/source/blender/io/alembic/intern/abc_reader_nurbs.cc b/source/blender/io/alembic/intern/abc_reader_nurbs.cc
index 0ada10baba5..5b9954b3ff6 100644
--- a/source/blender/io/alembic/intern/abc_reader_nurbs.cc
+++ b/source/blender/io/alembic/intern/abc_reader_nurbs.cc
@@ -19,12 +19,12 @@
  */
 
 #include "abc_reader_nurbs.h"
+#include "abc_axis_conversion.h"
 #include "abc_reader_transform.h"
 #include "abc_util.h"
 
 #include "MEM_guardedalloc.h"
 
-extern "C" {
 #include "DNA_curve_types.h"
 #include "DNA_object_types.h"
 
@@ -33,7 +33,6 @@ extern "C" {
 
 #include "BKE_curve.h"
 #include "BKE_object.h"
-}
 
 using Alembic::AbcGeom::FloatArraySamplePtr;
 using Alembic::AbcGeom::kWrapExisting;
@@ -72,7 +71,7 @@ bool AbcNurbsReader::valid() const
 
 static bool set_knots(const FloatArraySamplePtr &knots, float *&nu_knots)
 {
-  if (!knots || knots->size() == 0) {
+  if (!knots || knots->size() < 2) {
     return false;
   }