diff --git a/target/rx/meson.build b/target/rx/meson.build
index d196737ce3..86dc231eb0 100644
--- a/target/rx/meson.build
+++ b/target/rx/meson.build
@@ -13,4 +13,4 @@ rx_ss.add(files(
   'disas.c'))
 
 target_arch += {'rx': rx_ss}
-target_system_arch += {'rx': ss.source_set()}
+target_common_system_arch += {'rx': ss.source_set()}