diff --git a/impl/src/lib.rs b/impl/src/lib.rs
index 25890f2..1559a41 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -48,7 +48,7 @@ struct private;
 impl ToTokens for private {
     fn to_tokens(&self, tokens: &mut proc_macro2::TokenStream) {
         tokens.append(Ident::new(
-            concat!("__private", env!("CARGO_PKG_VERSION_PATCH")),
+            concat!("__private", "_MESON"),
             Span::call_site(),
         ));
     }