diff --git a/reactos/lib/sdk/crt/include/internal/locale.h b/reactos/lib/sdk/crt/include/internal/locale.h
index 148bea673da..23c618ff2cf 100644
--- a/reactos/lib/sdk/crt/include/internal/locale.h
+++ b/reactos/lib/sdk/crt/include/internal/locale.h
@@ -18,7 +18,7 @@ typedef struct MSVCRT_threadlocaleinfostruct {
     int *lconv_intl_refcount;
     int *lconv_num_refcount;
     int *lconv_mon_refcount;
-    struct MSVCRT_lconv *lconv;
+    struct lconv *lconv;
     int *ctype1_refcount;
     unsigned short *ctype1;
     const unsigned short *pctype;
@@ -37,26 +37,7 @@ typedef struct MSVCRT_threadmbcinfostruct {
     char mbcasemap[256];
 } MSVCRT_threadmbcinfo;
 
-struct MSVCRT_lconv {
-    char* decimal_point;
-    char* thousands_sep;
-    char* grouping;
-    char* int_curr_symbol;
-    char* currency_symbol;
-    char* mon_decimal_point;
-    char* mon_thousands_sep;
-    char* mon_grouping;
-    char* positive_sign;
-    char* negative_sign;
-    char int_frac_digits;
-    char frac_digits;
-    char p_cs_precedes;
-    char p_sep_by_space;
-    char n_cs_precedes;
-    char n_sep_by_space;
-    char p_sign_posn;
-    char n_sign_posn;
-};
+#define MSVCRT_lconv lconv
 
 typedef struct MSVCRT_threadlocaleinfostruct *MSVCRT_pthreadlocinfo;
 typedef struct MSVCRT_threadmbcinfostruct *MSVCRT_pthreadmbcinfo;