diff --git a/Changelog.md b/Changelog.md
index 858fbdfe..f70b9411 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -23,6 +23,7 @@ OpenCore Changelog
 - Fixed picker timeout and log timestamps for VMware
 - Fixed NULL parent DeviceHandle for launched tools
 - Added bundled HiiDatabase driver for very old firmwares
+- Added SSE2 support in memory intrinsics for better performance
 
 #### v0.5.5
 - Fixed CPU bus ratio calculation for Nehalem and Westmere
diff --git a/OpenCorePkg.dsc b/OpenCorePkg.dsc
index d2fa07fd..6caf4e72 100755
--- a/OpenCorePkg.dsc
+++ b/OpenCorePkg.dsc
@@ -25,7 +25,7 @@
 
 [LibraryClasses]
   BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
-  BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
+  BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
   BaseRngLib|MdePkg/Library/BaseRngLib/BaseRngLib.inf
   CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
   DebugLib|OcSupportPkg/Library/OcDebugLogLib/OcDebugLogLib.inf