diff --git a/vlib/v/checker/fn.v b/vlib/v/checker/fn.v
index 3ce1d5db0c..9989e0ba9a 100644
--- a/vlib/v/checker/fn.v
+++ b/vlib/v/checker/fn.v
@@ -1546,7 +1546,7 @@ fn (mut c Checker) fn_call(mut node ast.CallExpr, mut continue_check &bool) ast.
 		if arg_typ_sym.kind == .none && param.typ.has_flag(.generic) && !param.typ.has_flag(.option) {
 			c.error('cannot use `none` as generic argument', call_arg.pos)
 		} else if param.typ.has_flag(.generic) && call_arg.expr is ast.ArrayInit
-			&& call_arg.expr.exprs.len == 0 {
+			&& call_arg.expr.typ == ast.void_type {
 			c.error('cannot use empty array as generic argument', call_arg.pos)
 		}
 		param_typ_sym := c.table.sym(param.typ)
@@ -2576,7 +2576,7 @@ fn (mut c Checker) method_call(mut node ast.CallExpr, mut continue_check &bool)
 			}
 		}
 		if exp_arg_typ.has_flag(.generic) {
-			if arg.expr is ast.ArrayInit && arg.expr.exprs.len == 0 {
+			if arg.expr is ast.ArrayInit && arg.expr.typ == ast.void_type {
 				c.error('cannot use empty array as generic argument', arg.pos)
 			}
 			method_concrete_types := if method_generic_names_len == rec_concrete_types.len {