diff --git a/src/meson.build b/src/meson.build
index 1ea062ea..d423123f 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -1,5 +1,5 @@
 project('iaito', 'cpp',
-  default_options: 'cpp_std=c++20',
+  default_options: 'cpp_std=c++17',
   meson_version: '>=0.50.0')
 
 #  default_options : [
@@ -73,7 +73,7 @@ if host_machine.system() == 'windows'
     '../radare2/include/libr/sdb',
   ]
   add_global_arguments('-D_WINDOWS', language:'cpp')
-  add_global_arguments('/std:c++20', language:'cpp')
+  add_global_arguments('/std:c++17', language:'cpp')
   r2libdir = [
     meson.current_source_dir() + '\\..\\radare2\\lib',
     'C:\\radare2\\lib'