diff --git a/internal/shared/parseutils.go b/internal/shared/parseutils.go
index 7c79b745..d3e635a4 100644
--- a/internal/shared/parseutils.go
+++ b/internal/shared/parseutils.go
@@ -142,16 +142,16 @@ func DecodeEntities(str string) (string, error) {
 				name := string(data[1:end])
 
 				var c byte
-				switch name {
-				case "lt":
+				switch {
+				case strings.EqualFold("lt", name):
 					c = '<'
-				case "gt":
+				case strings.EqualFold("gt", name):
 					c = '>'
-				case "quot":
+				case strings.EqualFold("quot", name):
 					c = '"'
-				case "apos":
+				case strings.EqualFold("apos", name):
 					c = '\''
-				case "amp":
+				case strings.EqualFold("amp", name):
 					c = '&'
 				default:
 					return "", fmt.Errorf("unknown predefined "+
diff --git a/internal/shared/parseutils_test.go b/internal/shared/parseutils_test.go
index c80842dc..de4396e5 100644
--- a/internal/shared/parseutils_test.go
+++ b/internal/shared/parseutils_test.go
@@ -19,6 +19,11 @@ func TestDecodeEntities(t *testing.T) {
 		{"&lt;foo&gt;", "<foo>"},
 		{"a &quot;b&quot; &apos;c&apos;", "a \"b\" 'c'"},
 		{"foo &amp;&amp; bar", "foo && bar"},
+		{"&AMP;", "&"},
+		{"&LT;", "<"},
+		{"&GT;", ">"},
+		{"&APOS;", "'"},
+		{"&QUOT;", "\""},
 
 		{"&#34;foo&#34;", "\"foo\""},
 		{"&#x61;&#x062;&#x0063;", "abc"},