diff --git a/libc/Makefile b/libc/Makefile
index 1e0d9b70..82f6eb0c 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -130,6 +130,7 @@ ungetc.o \
 vfscanf.o \
 vsscanf.o \
 wcrtomb.o \
+wcscat.o \
 wcscpy.o \
 wcslen.o \
 wctomb.o \
diff --git a/libc/include/wchar.h b/libc/include/wchar.h
index 00d62976..311899cf 100644
--- a/libc/include/wchar.h
+++ b/libc/include/wchar.h
@@ -63,6 +63,7 @@ struct tm;
 
 size_t wcrtomb(char* restrict, wchar_t, mbstate_t* restrict);
 size_t mbrtowc(wchar_t* restrict, const char* restrict, size_t, mbstate_t* restrict);
+wchar_t* wcscat(wchar_t* restrict, const wchar_t* restrict);
 wchar_t* wcscpy(wchar_t* restrict, const wchar_t* restrict);
 size_t wcslen(const wchar_t*);
 
@@ -106,7 +107,6 @@ size_t wcsxfrm(wchar_t* restrict, const wchar_t* restrict, size_t);
 unsigned long long wcstoull(const wchar_t* restrict, wchar_t** restrict, int);
 unsigned long wcstoul(const wchar_t* restrict, wchar_t** restrict, int);
 wchar_t* fgetws(wchar_t* restrict, int, FILE* restrict);
-wchar_t* wcscat(wchar_t* restrict, const wchar_t* restrict);
 wchar_t* wcschr(const wchar_t*, wchar_t);
 wchar_t* wcsncat(wchar_t* restrict, const wchar_t* restrict, size_t);
 wchar_t* wcsncpy(wchar_t* restrict, const wchar_t* restrict, size_t);
diff --git a/libc/wcscat.cpp b/libc/wcscat.cpp
new file mode 100644
index 00000000..bbe4c0b4
--- /dev/null
+++ b/libc/wcscat.cpp
@@ -0,0 +1,30 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
+
+    This file is part of the Sortix C Library.
+
+    The Sortix C Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    The Sortix C Library is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
+
+    wcscat.cpp
+    Appends a string onto another string.
+
+*******************************************************************************/
+
+#include <wchar.h>
+
+extern "C" wchar_t* wcscat(wchar_t* dest, const wchar_t* src)
+{
+	return wcscpy(dest + wcslen(dest), src);
+}