diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDs.S b/MdePkg/Library/BaseLib/Ia32/ReadDs.S
index 7364c70994..a9106fb621 100644
--- a/MdePkg/Library/BaseLib/Ia32/ReadDs.S
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDs.S
@@ -21,7 +21,7 @@
 #
 #------------------------------------------------------------------------------
 
-.global _AsmReadEflags
+.global _AsmReadDs
 
 #------------------------------------------------------------------------------
 # UINT16