diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
index a9163098c47..b8c6a3c69e7 100644
--- a/dlls/kernel32/kernel32.spec
+++ b/dlls/kernel32/kernel32.spec
@@ -1253,6 +1253,7 @@
 @ stdcall WaitNamedPipeA (str long)
 @ stdcall WaitNamedPipeW (wstr long)
 @ stdcall WerRegisterFile(wstr long long)
+@ stdcall WerRegisterMemoryBlock(ptr long)
 @ stdcall WerRegisterRuntimeExceptionModule(wstr ptr)
 @ stdcall WerSetFlags(long)
 @ stdcall WideCharToMultiByte(long long wstr long ptr long ptr ptr)
diff --git a/dlls/kernel32/wer.c b/dlls/kernel32/wer.c
index 22ca7f21d6b..aa1d5304cfc 100644
--- a/dlls/kernel32/wer.c
+++ b/dlls/kernel32/wer.c
@@ -63,3 +63,9 @@ HRESULT WINAPI WerSetFlags(DWORD flags)
     FIXME("(%d) stub!\n", flags);
     return E_NOTIMPL;
 }
+
+HRESULT WINAPI WerRegisterMemoryBlock(void *block, DWORD size)
+{
+    FIXME("(%p %d) stub\n", block, size);
+    return E_NOTIMPL;
+}