diff --git a/sentence.go b/sentence.go
index 0ec4feb..bbc6924 100644
--- a/sentence.go
+++ b/sentence.go
@@ -176,6 +176,10 @@ func Parse(raw string) (Sentence, error) {
 	// Custom parser allow overriding of existing parsers
 	if parser, ok := customParsers[s.Type]; ok {
 		return parser(s)
+	} else if parser, ok := customParsers[s.Talker+s.Type]; ok {
+		s.Type = s.Talker + s.Type
+		s.Talker = ""
+		return parser(s)
 	}
 
 	if strings.HasPrefix(s.Raw, SentenceStart) {
diff --git a/sentence_customparser_test.go b/sentence_customparser_test.go
index 31dc935..b867574 100644
--- a/sentence_customparser_test.go
+++ b/sentence_customparser_test.go
@@ -51,6 +51,21 @@ var customparsetests = []struct {
 			StringValue: "two",
 		},
 	},
+	{
+		name: "zzz sentence without a talker ID",
+		raw:  "$ZZZ,30,two,*19",
+		msg: TestZZZ{
+			BaseSentence: BaseSentence{
+				Talker:   "",
+				Type:     "ZZZ",
+				Fields:   []string{"30", "two", ""},
+				Checksum: "19",
+				Raw:      "$ZZZ,30,two,*19",
+			},
+			NumberValue: 30,
+			StringValue: "two",
+		},
+	},
 	{
 		name: "zzz sentence type",
 		raw:  "$INVALID,123,123,*7D",