diff --git a/meson.build b/meson.build
index e4217851..4e24c161 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('ish', 'c',
-    default_options: ['default_library=static', 'c_std=gnu11', 'engine=jit', 'warning_level=2'])
+    default_options: ['default_library=static', 'c_std=gnu11', 'warning_level=2'])
 
 log_on = get_option('log').split()
 log_off = get_option('nolog').split()
diff --git a/meson_options.txt b/meson_options.txt
index 36516f03..6a273413 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -2,7 +2,7 @@ option('log', type: 'string', value: '')
 option('nolog', type: 'string', value: '')
 option('log_handler', type: 'string', value: 'dprintf')
 
-option('engine', type: 'combo', choices: ['jit'], value: 'jit')
+option('engine', type: 'combo', choices: ['jit', 'interp'], value: 'jit')
 
 option('vdso_c_args', type: 'string', value: '')