diff --git a/code/_compile_options.dm b/code/_compile_options.dm
index 28b79e8fa1ec..ff1e09cfbf39 100644
--- a/code/_compile_options.dm
+++ b/code/_compile_options.dm
@@ -243,6 +243,7 @@
 #ifdef LOWMEMORYMODE
 #define FORCE_MAP "runtimestation"
 #define FORCE_MAP_DIRECTORY "_maps"
+#warn LOW MEMORY MODE ENABLED.
 #endif
 
 #ifdef DEBUG