.

bigfile/_file_zodb.pyx

@@ -88,7 +88,7 @@ cdef public class _ZBigFile(BigFile) [object _ZBigFile, type _ZBigFile_Type]:
 
     # blkmmapper is pycapsule with virtmem mmap functions for _ZBigFile.
     # The functions rely on .wfileh being initialized by .fileh_open()
-    blkmmapper = PyCapsule_New(<void*>&ZBigFile_mmap_ops, "wendelin.bigfile.IBlkMMaper", NULL)
+    blkmmapper = PyCapsule_New(<void*>&ZBigFile_mmap_ops, "wendelin.bigfile.IBlkMMapper", NULL)
 
     # fileh_open wraps BigFile.fileh_open and makes sure that WCFS file handle
     # corresponding to ZBigFile is opened if use_wcfs=True.