1 files changed, 3 insertions, 3 deletions
diff --git a/extern/mantaflow/helper/pwrapper/numpyWrap.cpp b/extern/mantaflow/helper/pwrapper/numpyWrap.cpp
index d2ddb21be70..0e2ef3f4803 100644
--- a/extern/mantaflow/helper/pwrapper/numpyWrap.cpp
+++ b/extern/mantaflow/helper/pwrapper/numpyWrap.cpp
@@ -94,7 +94,7 @@ void PyArrayContainer::ExtractData(void *_pParentPyArray)
 
 template<> PyArrayContainer fromPy<PyArrayContainer>(PyObject *obj)
 {
-  if (PyArray_API == NULL) {
+  if (PyArray_API == nullptr) {
     // python 3 uses the return value
 #if PY_VERSION_HEX >= 0x03000000
     import_array();
@@ -109,12 +109,12 @@ template<> PyArrayContainer fromPy<PyArrayContainer>(PyObject *obj)
 
   PyArrayObject *obj_p = reinterpret_cast<PyArrayObject *>(
       PyArray_CheckFromAny(obj,
-                           NULL,
+                           nullptr,
                            0,
                            0,
                            /*NPY_ARRAY_ENSURECOPY*/ NPY_ARRAY_C_CONTIGUOUS |
                                NPY_ARRAY_ENSUREARRAY | NPY_ARRAY_NOTSWAPPED,
-                           NULL));
+                           nullptr));
   PyArrayContainer container = PyArrayContainer(obj_p);
 
   return container;