1 files changed, 1 insertions, 1 deletions
diff --git a/HTMLtree.c b/HTMLtree.c
index 82e1dc11..cbd0ef0c 100644
--- a/HTMLtree.c
+++ b/HTMLtree.c
@@ -306,7 +306,7 @@ htmlIsBooleanAttr(const xmlChar *name)
     int i = 0;
 
     while (htmlBooleanAttrs[i] != NULL) {
-        if (xmlStrcmp((const xmlChar *)htmlBooleanAttrs[i], name) == 0)
+        if (xmlStrcasecmp((const xmlChar *)htmlBooleanAttrs[i], name) == 0)
             return 1;
         i++;
     }