diff --git a/arch/mips/bits/alltypes.h.sh b/arch/mips/bits/alltypes.h.sh
index a535770878e81cb5d09252ea3bbb1322fe990d94..c909bc37dfb31a8168aeff701ffa70e0a3aa7ef5 100755
--- a/arch/mips/bits/alltypes.h.sh
+++ b/arch/mips/bits/alltypes.h.sh
@@ -18,7 +18,7 @@ union \1 \2;\
 
 TYPEDEF unsigned size_t;
 TYPEDEF int ssize_t;
-TYPEDEF long ptrdiff_t;
+TYPEDEF int ptrdiff_t;
 
 TYPEDEF __builtin_va_list va_list;