diff --git a/MdePkg/Library/BasePciCf8Lib/BasePciCf8Lib.inf b/MdePkg/Library/BasePciCf8Lib/BasePciCf8Lib.inf
index 5ec10817fe..4e9c64aab1 100644
--- a/MdePkg/Library/BasePciCf8Lib/BasePciCf8Lib.inf
+++ b/MdePkg/Library/BasePciCf8Lib/BasePciCf8Lib.inf
@@ -30,7 +30,7 @@
 #
 
 [Sources.common]
-  PciLib.c
+  PciCf8Lib.c
 
 [Packages]
   MdePkg/MdePkg.dec
diff --git a/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf b/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
index a067844ef3..b6f87f1738 100644
--- a/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
+++ b/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
@@ -30,7 +30,7 @@
 #
 
 [Sources.common]
-  PciLib.c
+  PciExpressLib.c
 
 [Packages]
   MdePkg/MdePkg.dec