1 files changed, 2 insertions, 1 deletions
diff --git a/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c b/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c
index d56db49159..d0abb8dd5b 100644
--- a/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c
+++ b/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c
@@ -26,6 +26,7 @@
 #include  <errno.h>
 #include  <string.h>
 #include  <stdlib.h>
+#include  <stdarg.h>
 #include  <wctype.h>
 #include  <wchar.h>
 #include  <sys/fcntl.h>
@@ -319,7 +320,7 @@ EFIAPI
 da_ShellIoctl(
   struct __filedes   *filp,
   ULONGN              cmd,
-  void               *argp       ///< May be a pointer or a value
+  va_list             argp
   )
 {
   return -EPERM;