diff --git a/compiler/src/dmd/backend/dwarfdbginf.d b/compiler/src/dmd/backend/dwarfdbginf.d
index a4ce1a37d9c2..ea87bbed6e8e 100644
--- a/compiler/src/dmd/backend/dwarfdbginf.d
+++ b/compiler/src/dmd/backend/dwarfdbginf.d
@@ -44,7 +44,8 @@ import dmd.backend.cdef;
 version(Windows)
 {
     nothrow
-    private extern (C) char* getcwd(char* buffer, size_t maxlen);
+    private extern (C) char* _getcwd(char* buffer, size_t maxlen);
+    alias getcwd = _getcwd;
     nothrow
     private extern (C) int* _errno();   // not the multi-threaded version
 }
diff --git a/compiler/src/dmd/json.d b/compiler/src/dmd/json.d
index 021387d6f438..174a2d95cd20 100644
--- a/compiler/src/dmd/json.d
+++ b/compiler/src/dmd/json.d
@@ -42,7 +42,8 @@ import dmd.target;
 import dmd.visitor;
 
 version(Windows) {
-    extern (C) char* getcwd(char* buffer, size_t maxlen);
+    extern (C) char* _getcwd(char* buffer, size_t maxlen);
+    alias getcwd = _getcwd;
 } else {
     import core.sys.posix.unistd : getcwd;
 }
diff --git a/compiler/src/dmd/root/filename.d b/compiler/src/dmd/root/filename.d
index a2f074dbfaec..cf00d8ad7f63 100644
--- a/compiler/src/dmd/root/filename.d
+++ b/compiler/src/dmd/root/filename.d
@@ -42,7 +42,8 @@ version (Windows)
 
     extern (Windows) DWORD GetFullPathNameW(LPCWSTR, DWORD, LPWSTR, LPWSTR*) nothrow @nogc;
     extern (Windows) void SetLastError(DWORD) nothrow @nogc;
-    extern (C) char* getcwd(char* buffer, size_t maxlen) nothrow;
+    extern (C) char* _getcwd(char* buffer, size_t maxlen) nothrow;
+    alias getcwd = _getcwd;
 }
 
 version (CRuntime_Glibc)