diff --git a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
index a0fbc1ff5c..6fa770edbf 100644
--- a/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
+++ b/ArmPkg/Library/ArmLib/ArmV7/ArmV7Mmu.c
@@ -214,7 +214,7 @@ ArmConfigureMmu (
     *TranslationTableBase = (VOID *)TranslationTable;
   }
   
-  if (TranslationTableBase != NULL) {
+  if (TranslationTableSize != NULL) {
     *TranslationTableSize = TRANSLATION_TABLE_SECTION_SIZE;
   }