diff --git a/apps/plugins/test_codec.c b/apps/plugins/test_codec.c
index 20a1febd4f..aae2c1905b 100644
--- a/apps/plugins/test_codec.c
+++ b/apps/plugins/test_codec.c
@@ -450,7 +450,7 @@ static void init_ci(void)
     /* --- "Core" functions --- */
 
     /* kernel/ system */
-    ci.PREFIX(sleep) = rb->PREFIX(sleep);
+    ci.sleep = rb->sleep;
     ci.yield = rb->yield;
 
     /* strings and memory */