diff --git a/subsys/random/CMakeLists.txt b/subsys/random/CMakeLists.txt
index f2943b09fea..3bacc9b014f 100644
--- a/subsys/random/CMakeLists.txt
+++ b/subsys/random/CMakeLists.txt
@@ -7,9 +7,9 @@ zephyr_library()
 zephyr_library_sources_ifdef(CONFIG_USERSPACE           rand32_handlers.c)
 endif()
 
-if (CONFIG_TEST_RANDOM_GENERATOR)
+if (CONFIG_TIMER_RANDOM_GENERATOR)
   message(WARNING "
-    Warning: CONFIG_TEST_RANDOM_GENERATOR is not a truly random generator.
+    Warning: CONFIG_TIMER_RANDOM_GENERATOR is not a truly random generator.
     This capability is not secure and it is provided for testing purposes only.
     Use it carefully.")
 endif()