diff --git a/src/parser.c b/src/parser.c
index c942bd7..583b2ef 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -3759,6 +3759,10 @@ void TY_(ParseHead)(TidyDocImpl* doc, Node *head, GetTokenMode ARG_UNUSED(mode))
         TY_(ReportError)(doc, head, node, DISCARDING_UNEXPECTED);
         TY_(FreeNode)( doc, node);
     }
+
+    if (!head->closed)
+        TY_(ReportError)(doc, head, node, MISSING_ENDTAG_FOR);
+
 #if !defined(NDEBUG) && defined(_MSC_VER)
     SPRTF("Exit ParseHead 1...\n");
 #endif