diff --git a/parser.go b/parser.go
index e351ce7..bfe8149 100644
--- a/parser.go
+++ b/parser.go
@@ -417,6 +417,7 @@ func (parser *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarR
 		case SymEqual:
 			// if err = checkPrevSymbol(lastSym, SymIdentifier, tk); err == nil {
 			currentTerm, err = tree.addToken(tk)
+			firstToken = true
 			// }
 		case SymFuncDef:
 			var funcDefTerm *term
@@ -483,7 +484,7 @@ func (parser *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarR
 // 	return
 // }
 
-func (parser *parser) expandOpAssign(scanner * scanner, tree *ast, tk *Token, allowVarRef bool) (t *term, err error) {
+func (parser *parser) expandOpAssign(scanner *scanner, tree *ast, tk *Token, allowVarRef bool) (t *term, err error) {
 	var opSym Symbol
 	var opString string