diff --git a/EmbeddedPkg/Library/GdbSerialDebugPortLib/GdbSerialDebugPortLib.c b/EmbeddedPkg/Library/GdbSerialDebugPortLib/GdbSerialDebugPortLib.c
index 334eb77607..9f0f437c1d 100644
--- a/EmbeddedPkg/Library/GdbSerialDebugPortLib/GdbSerialDebugPortLib.c
+++ b/EmbeddedPkg/Library/GdbSerialDebugPortLib/GdbSerialDebugPortLib.c
@@ -17,7 +17,7 @@
 #include <Protocol/DebugPort.h>
 
 EFI_DEBUGPORT_PROTOCOL  *gDebugPort = NULL;
-UINTN                   gTimeOut    = 0;
+UINT32                  gTimeOut    = 0;
 
 /**
   The constructor function initializes the UART.