diff --git a/reactos/lib/crtdll/tchar/strdec.c b/reactos/lib/crtdll/tchar/strdec.c
index 1833f4d704a..05bd76a0427 100644
--- a/reactos/lib/crtdll/tchar/strdec.c
+++ b/reactos/lib/crtdll/tchar/strdec.c
@@ -1,4 +1,4 @@
-#include <msvcrt/tchar.h>
+#include <msvcrt/string.h>
 
 char * _strdec(const char *str1, const char *str2) 
 { 
diff --git a/reactos/lib/crtdll/tchar/strinc.c b/reactos/lib/crtdll/tchar/strinc.c
index 6a83fa46ce8..35f4d5da081 100644
--- a/reactos/lib/crtdll/tchar/strinc.c
+++ b/reactos/lib/crtdll/tchar/strinc.c
@@ -1,4 +1,4 @@
-#include <msvcrt/tchar.h>
+#include <msvcrt/string.h>
 
 char * _strinc(const char *str) 
 { 
diff --git a/reactos/lib/crtdll/tchar/strncnt.c b/reactos/lib/crtdll/tchar/strncnt.c
index c4bf78aa17c..2c56f8f7550 100644
--- a/reactos/lib/crtdll/tchar/strncnt.c
+++ b/reactos/lib/crtdll/tchar/strncnt.c
@@ -1,4 +1,3 @@
-#include <msvcrt/tchar.h>
 #include <msvcrt/sys/types.h>
 #include <msvcrt/string.h>
 
diff --git a/reactos/lib/crtdll/tchar/strnextc.c b/reactos/lib/crtdll/tchar/strnextc.c
index cd94f000767..8a2918f4d03 100644
--- a/reactos/lib/crtdll/tchar/strnextc.c
+++ b/reactos/lib/crtdll/tchar/strnextc.c
@@ -1,4 +1,4 @@
-#include <msvcrt/tchar.h>
+#include <msvcrt/string.h>
 
 int _strnextc(const char *str) 
 { 
diff --git a/reactos/lib/crtdll/tchar/strninc.c b/reactos/lib/crtdll/tchar/strninc.c
index 282c0090656..de776d2d291 100644
--- a/reactos/lib/crtdll/tchar/strninc.c
+++ b/reactos/lib/crtdll/tchar/strninc.c
@@ -1,4 +1,4 @@
-#include <msvcrt/tchar.h>
+#include <msvcrt/string.h>
 #include <msvcrt/stdlib.h>
 
 char * _strninc(const char *str, size_t inc)
diff --git a/reactos/lib/crtdll/tchar/strspnp.c b/reactos/lib/crtdll/tchar/strspnp.c
index e66b344ac95..75c888c3bb6 100644
--- a/reactos/lib/crtdll/tchar/strspnp.c
+++ b/reactos/lib/crtdll/tchar/strspnp.c
@@ -1,4 +1,4 @@
-#include <msvcrt/tchar.h>
+#include <msvcrt/string.h>
 #include <msvcrt/stdlib.h>