diff --git a/MdePkg/Library/BaseLib/BaseLib.msa b/MdePkg/Library/BaseLib/BaseLib.msa
index 274cf2a767..400c0969d7 100644
--- a/MdePkg/Library/BaseLib/BaseLib.msa
+++ b/MdePkg/Library/BaseLib/BaseLib.msa
@@ -75,7 +75,7 @@
CheckSum.c
SynchronizationGcc.c
SynchronizationMsc.c
- Synchronization.c
+ Synchronization.c
x86DisablePaging32.c
x86DisablePaging64.c