diff --git a/parser/objt.go b/parser/objt.go
index 9784f55..ec64e08 100644
--- a/parser/objt.go
+++ b/parser/objt.go
@@ -97,8 +97,10 @@ func (parser *ParsingOperation) parseObjtMember () (
 	member.what, err = parser.parseType()
 	if err != nil { return }
 
+	println(parser.token.Describe())
+	
 	// if there is a bit width, get it
-	if parser.token.Is(lexer.TokenKindColon) {
+	if parser.token.Is(lexer.TokenKindBinaryAnd) {
 		err = parser.nextToken(lexer.TokenKindUInt)
 		if err != nil { return }
 		member.bitWidth = parser.token.Value().(uint64)
diff --git a/parser/objt_test.go b/parser/objt_test.go
index 854272a..16a5439 100644
--- a/parser/objt_test.go
+++ b/parser/objt_test.go
@@ -10,8 +10,8 @@ objt ro Basic:Obj
 	ro that:Basic
 	ro this:Basic
 objt ro BitFields:Obj
-	ro that:Int:1
-	ro this:Int:24
+	ro that:Int & 1
+	ro this:Int & 24 298
 objt ro ComplexInit:Obj
 	ro basic:Int 87
 	ro complex0:Bird
diff --git a/parser/tree-tostring.go b/parser/tree-tostring.go
index 6694167..114f681 100644
--- a/parser/tree-tostring.go
+++ b/parser/tree-tostring.go
@@ -299,7 +299,7 @@ func (member ObjtMember) ToString (indent int) (output string) {
 	output += member.what.ToString()
 
 	if member.bitWidth > 0 {
-		output += fmt.Sprint(":", member.bitWidth)
+		output += fmt.Sprint(" & ", member.bitWidth)
 	}
 	
 	isComplexInitialization :=
diff --git a/tests/parser/objt/main.arf b/tests/parser/objt/main.arf
index ebd909c..7bdaf3c 100644
--- a/tests/parser/objt/main.arf
+++ b/tests/parser/objt/main.arf
@@ -5,8 +5,8 @@ objt ro Basic:Obj
 	ro this:Basic
 
 objt ro BitFields:Obj
-	ro that:Int:1
-	ro this:Int:24 298
+	ro that:Int & 1
+	ro this:Int & 24 298
 
 objt ro Init:Obj
 	ro that:String "hello world"