diff --git a/EmulatorPkg/EmulatorPkg.dec b/EmulatorPkg/EmulatorPkg.dec
index 99250d9fe5..27d8b2be4e 100644
--- a/EmulatorPkg/EmulatorPkg.dec
+++ b/EmulatorPkg/EmulatorPkg.dec
@@ -27,6 +27,7 @@
   KeyMap|Include/Library/KeyMapLib.h
   PpiListLib|Include/Library/PpiListLib.h
   SmbiosLib|Include/Library/SmbiosLib.h
+  EmuMagicPageLib|Include/Library/EmuMagicPageLib.h
 
 [Protocols]
   gEmuThunkProtocolGuid          = { 0x5CF32E0B, 0x8EDF, 0x2E44, { 0x9C, 0xDA, 0x93, 0x20, 0x5E, 0x99, 0xEC, 0x1C } }