diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h b/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h
index 95f29a1d75..0e987109d0 100644
--- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h
+++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h
@@ -23,7 +23,7 @@ Abstract:
 
 #include <PiDxe.h>
 
-#include <Protocol/IP4.h>
+#include <Protocol/Ip4.h>
 #include <Protocol/Tcp4.h>
 #include <Protocol/Udp4.h>
 
diff --git a/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.h b/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.h
index 4ad598da02..17f39410ae 100644
--- a/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.h
+++ b/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.h
@@ -25,7 +25,7 @@ Abstract:
 
 #include <PiDxe.h>
 
-#include <Protocol/IP4.h>
+#include <Protocol/Ip4.h>
 #include <Protocol/Udp4.h>
 
 #include <Library/IpIoLib.h>