diff --git a/dlls/kernel/kernel32.spec b/dlls/kernel/kernel32.spec
index 279857b1ee9..d892f80df99 100644
--- a/dlls/kernel/kernel32.spec
+++ b/dlls/kernel/kernel32.spec
@@ -685,9 +685,9 @@
 @ stdcall ReinitializeCriticalSection(ptr) ReinitializeCriticalSection
 @ stdcall ReleaseMutex(long) ReleaseMutex
 @ stdcall ReleaseSemaphore(long long ptr) ReleaseSemaphore
-@ stub ReplaceFile
-@ stub ReplaceFileA
-@ stub ReplaceFileW
+@ stdcall ReplaceFile(wstr wstr wstr long ptr ptr) ReplaceFileW
+@ stdcall ReplaceFileA(str str str long ptr ptr) ReplaceFileA
+@ stdcall ReplaceFileW(wstr wstr wstr long ptr ptr) ReplaceFileW
 @ stdcall RemoveDirectoryA(str) RemoveDirectoryA
 @ stdcall RemoveDirectoryW(wstr) RemoveDirectoryW
 @ stub RequestDeviceWakeup
diff --git a/files/file.c b/files/file.c
index d14a04d763b..0031281423b 100644
--- a/files/file.c
+++ b/files/file.c
@@ -3409,3 +3409,30 @@ BOOL WINAPI GetFileAttributesExA(
         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
     return ret;
 }
+
+/**************************************************************************
+ *           ReplaceFileW   (KERNEL32.@)
+ *           ReplaceFile    (KERNEL32.@)
+ */
+BOOL WINAPI ReplaceFileW(LPCWSTR lpReplacedFileName,LPCWSTR lpReplacementFileName,
+                         LPCWSTR lpBackupFileName, DWORD dwReplaceFlags,
+                         LPVOID lpExclude, LPVOID lpReserved)
+{
+    FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",debugstr_w(lpReplacedFileName),debugstr_w(lpReplacementFileName),
+                                          debugstr_w(lpBackupFileName),dwReplaceFlags,lpExclude,lpReserved);
+    SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
+    return FALSE;
+}
+
+/**************************************************************************
+ *           ReplaceFileA (KERNEL32.@)
+ */
+BOOL WINAPI ReplaceFileA(LPCSTR lpReplacedFileName,LPCSTR lpReplacementFileName,
+                         LPCSTR lpBackupFileName, DWORD dwReplaceFlags,
+                         LPVOID lpExclude, LPVOID lpReserved)
+{
+    FIXME("(%s,%s,%s,%08lx,%p,%p) stub\n",lpReplacedFileName,lpReplacementFileName,
+                                          lpBackupFileName,dwReplaceFlags,lpExclude,lpReserved);
+    SetLastError(ERROR_UNABLE_TO_MOVE_REPLACEMENT);
+    return FALSE;
+}