diff --git a/Library/OcAcpiLib/AcpiDump.c b/Library/OcAcpiLib/AcpiDump.c
index 77b855a7..1d2fa7bf 100644
--- a/Library/OcAcpiLib/AcpiDump.c
+++ b/Library/OcAcpiLib/AcpiDump.c
@@ -73,6 +73,8 @@ AcpiGetTableName (
     }
   }
 
+  Name[Index] = '\0';
+
   for (Index = 0; Index < 256; ++Index) {
     UnicodeSPrint (TempName, sizeof (TempName), L"%a-%u.aml", Name, (UINT32) (Index + 1));