diff --git a/vlib/v/parser/fn.v b/vlib/v/parser/fn.v
index 55f564b37d..46be078400 100644
--- a/vlib/v/parser/fn.v
+++ b/vlib/v/parser/fn.v
@@ -152,7 +152,7 @@ fn (mut p Parser) call_args() []ast.CallArg {
 		} else {
 			expr = p.expr(0)
 			if mut expr is ast.Ident {
-				if expr.name in p.imported_symbols && !p.imported_symbols_used[expr.name] {
+				if p.is_imported_symbol(expr.name) && !p.imported_symbols_used[expr.name] {
 					// func call arg is another function call
 					// import term { bright_cyan, colorize } ... colorize(bright_cyan, 'hello')
 					p.register_used_import_for_symbol_name(p.imported_symbols[expr.name])