diff --git a/src/msroots.rs b/src/msroots.rs
index ac427b3..868f3ad 100644
--- a/src/msroots.rs
+++ b/src/msroots.rs
@@ -79,7 +79,8 @@ impl MsRoots {
                 ptr = ptr.add(1);
             }
 
-            if tag != TAG_MSROOTS_MID && (tag != TAG_MSROOTS_END || object_id == YKPIV_OBJ_MSROOTS5)
+            if ((TAG_MSROOTS_MID != tag) && (TAG_MSROOTS_END != tag))
+                || ((YKPIV_OBJ_MSROOTS5 == object_id) && (TAG_MSROOTS_END != tag))
             {
                 // the current object doesn't contain a valid part of a msroots file