1 files changed, 2 insertions, 0 deletions
diff --git a/StdLib/LibC/Uefi/Devices/Console/daConsole.c b/StdLib/LibC/Uefi/Devices/Console/daConsole.c
index 5dfc18acb4..5a593557e0 100644
--- a/StdLib/LibC/Uefi/Devices/Console/daConsole.c
+++ b/StdLib/LibC/Uefi/Devices/Console/daConsole.c
@@ -401,12 +401,14 @@ da_ConOpen(
      (DevNode  == NULL))
   {
     EFIerrno = RETURN_INVALID_PARAMETER;
+    errno = EINVAL;
     return -1;
   }
   Stream = (ConInstance *)DevNode->InstanceList;
   // Quick check to see if Stream looks reasonable
   if(Stream->Cookie != CON_COOKIE) {    // Cookie == 'IoAb'
     EFIerrno = RETURN_INVALID_PARAMETER;
+    errno = EINVAL;
     return -1;    // Looks like a bad This pointer
   }
   gMD->StdIo[Stream->InstanceNum] = Stream;