diff --git a/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c b/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
index 1409ae27bb..ac18d9d25d 100644
--- a/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
+++ b/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
@@ -399,7 +399,7 @@ UnitTestIsMtrrSupported (
   SystemParameter.VariableMtrrCount  = 0;
   SystemParameter.FixedMtrrSupported = TRUE;
   InitializeMtrrRegs (&SystemParameter);
-  UT_ASSERT_FALSE (IsMtrrSupported ());
+  UT_ASSERT_TRUE (IsMtrrSupported ());
 
   //
   // MTRR capability on in CPUID leaf, but no fixed MTRRs.
@@ -408,7 +408,7 @@ UnitTestIsMtrrSupported (
   SystemParameter.VariableMtrrCount  = 7;
   SystemParameter.FixedMtrrSupported = FALSE;
   InitializeMtrrRegs (&SystemParameter);
-  UT_ASSERT_FALSE (IsMtrrSupported ());
+  UT_ASSERT_TRUE (IsMtrrSupported ());
 
   //
   // MTRR capability on in CPUID leaf with both variable and fixed MTRRs.