diff --git a/pyopencl/cffi_cl.py b/pyopencl/cffi_cl.py
index 7145b6de6ad61aca6be2d17c3e568d35544cebc6..a3a1313a2010a54db078bf61d7ee282f68c38217 100644
--- a/pyopencl/cffi_cl.py
+++ b/pyopencl/cffi_cl.py
@@ -378,6 +378,10 @@ class mem_migration_flags(_NoInit):
     pass
 
 
+class mem_migration_flags_ext(_NoInit):
+    pass
+
+
 class device_partition_property_ext(_NoInit):
     pass
 
diff --git a/src/c_wrapper/wrap_cl.h b/src/c_wrapper/wrap_cl.h
index 89ed2df46e1c9d1957edd905fd601be69aa75a99..a263f640b36ec696e03eb3e9e0134c6138554958 100644
--- a/src/c_wrapper/wrap_cl.h
+++ b/src/c_wrapper/wrap_cl.h
@@ -59,6 +59,10 @@
 
 #endif
 
+#ifndef cl_ext_migrate_memobject
+typedef cl_bitfield cl_mem_migration_flags_ext;
+#endif
+
 namespace pyopencl {
 struct clbase;
 }
diff --git a/src/c_wrapper/wrap_constants.cpp b/src/c_wrapper/wrap_constants.cpp
index f12d3b30a4b2dab2c9680ecfcdc659ba17258b38..5d92d54c512b7f3f4fb2c1ebae22d1002825be75 100644
--- a/src/c_wrapper/wrap_constants.cpp
+++ b/src/c_wrapper/wrap_constants.cpp
@@ -627,6 +627,14 @@ namespace pyopencl {
 #endif
 
 
+    // mem_migration_flags_ext
+#ifdef cl_ext_migrate_memobject
+    ADD_ATTR("mem_migration_flags_ext", MIGRATE_MEM_OBJECT_, HOST, _EXT);
+    ADD_ATTR("mem_migration_flags_ext", MIGRATE_MEM_OBJECT_,
+             CONTENT_UNDEFINED, _EXT);
+#endif
+
+
     // device_partition_property_ext
 #if defined(cl_ext_device_fission) && defined(PYOPENCL_USE_DEVICE_FISSION)
     ADD_ATTR("device_partition_property_ext",