diff --git a/src/xbob.blitz b/src/xbob.blitz
index c8c5a15149af4fd3a33b53cf377402af660d5f9f..29f577060a8b7b9bac6ef9655da374d0cef99e07 160000
--- a/src/xbob.blitz
+++ b/src/xbob.blitz
@@ -1 +1 @@
-Subproject commit c8c5a15149af4fd3a33b53cf377402af660d5f9f
+Subproject commit 29f577060a8b7b9bac6ef9655da374d0cef99e07
diff --git a/xbob/io/include/xbob.io/api.h b/xbob/io/include/xbob.io/api.h
index 97c43d97e1b7344b54f8e9dfe50ba60ff662a4bd..c7145c38ed175cd6c4b2f963dc000691fb2b9011 100644
--- a/xbob/io/include/xbob.io/api.h
+++ b/xbob/io/include/xbob.io/api.h
@@ -290,19 +290,19 @@ typedef struct {
 
 #   if PY_VERSION_HEX >= 0x02070000
     if (PyCapsule_CheckExact(c_api_object)) {
-      PyBlitzArray_API = (void **)PyCapsule_GetPointer(c_api_object, 
+      PyXbobIo_API = (void **)PyCapsule_GetPointer(c_api_object, 
           PyCapsule_GetName(c_api_object));
     }
 #   else
     if (PyCObject_Check(c_api_object)) {
-      PyBlitzArray_API = (void **)PyCObject_AsVoidPtr(c_api_object);
+      XbobIo_API = (void **)PyCObject_AsVoidPtr(c_api_object);
     }
 #   endif
 
     Py_DECREF(c_api_object);
     Py_DECREF(module);
 
-    if (!PyBlitzArray_API) {
+    if (!XbobIo_API) {
       PyErr_Format(PyExc_ImportError,
 #   if PY_VERSION_HEX >= 0x02070000
           "cannot find C/C++ API capsule at `%s.%s'",