diff --git a/src/H5PartTypes.h b/src/H5PartTypes.h
index 89a123e..dca13e7 100644
--- a/src/H5PartTypes.h
+++ b/src/H5PartTypes.h
@@ -6,7 +6,7 @@
 #define _H5PARTTYPES_H_
 
 #ifdef   WIN32
-typdef __int64			int64_t;
+typedef __int64			int64_t;
 #endif /* WIN32 */
 
 typedef int64_t			h5part_int64_t;