diff --git a/ntoskrnl/mm/ARM3/expool.c b/ntoskrnl/mm/ARM3/expool.c
index d13142a4a77..54c6990be59 100644
--- a/ntoskrnl/mm/ARM3/expool.c
+++ b/ntoskrnl/mm/ARM3/expool.c
@@ -468,7 +468,8 @@ ExpTagAllowPrint(CHAR Tag)
     if ((Tag >= 'a' && Tag <= 'z') ||
         (Tag >= 'A' && Tag <= 'Z') ||
         (Tag >= '0' && Tag <= '9') ||
-        Tag == ' ')
+        Tag == ' ' || Tag == '=' ||
+        Tag == '?' || Tag == '@')
     {
         return TRUE;
     }