diff --git a/parser/type-notation.go b/parser/type-notation.go
index 69f7e5c..e13fb73 100644
--- a/parser/type-notation.go
+++ b/parser/type-notation.go
@@ -42,8 +42,13 @@ func (parser *ParsingOperation) parseType () (what Type, err error) {
 
 	for {
 		if !parser.token.Is(lexer.TokenKindColon) { break }
+
+		err = parser.nextToken()
+		if err != nil { return }
+		err = parser.skipWhitespace()
+		if err != nil { return }
 		
-		err = parser.nextToken(
+		err = parser.expect(
 			lexer.TokenKindName,
 			lexer.TokenKindUInt,
 			lexer.TokenKindLParen,
diff --git a/tests/parser/data/main.arf b/tests/parser/data/main.arf
index 713a463..6eaf69f 100644
--- a/tests/parser/data/main.arf
+++ b/tests/parser/data/main.arf
@@ -41,7 +41,6 @@ data ro lMutIntegerArray16:Int:16:mut
 data ro mExternalData:Int:8
 	external
 
-data ro nIntegerArrayInitialized:Int:16:mut:<
-	3948 293 293049 948 912
-	340 0 2304 0 4785 92
-	>
+data ro nIntegerArrayInitialized:Int:16:mut:
+	<3948 293 293049 948 912
+	340 0 2304 0 4785 92>