diff --git a/include/ntapi/nt_abi.h b/include/ntapi/nt_abi.h
index 95fc9bf..57dc855 100644
--- a/include/ntapi/nt_abi.h
+++ b/include/ntapi/nt_abi.h
@@ -49,7 +49,7 @@
 #endif
 
 typedef unsigned short wchar16_t;
-typedef unsigned int   wchar32_t;
+typedef int            wchar32_t;
 
 #endif