diff --git a/code/modules/ai/_defines.dm b/code/modules/ai/_defines.dm
index 8075c6d2ee3..7b49f18ddb2 100644
--- a/code/modules/ai/_defines.dm
+++ b/code/modules/ai/_defines.dm
@@ -4,8 +4,7 @@
 #define AI_NORMAL		2 // Default level.
 #define AI_SMART		3 // Will do more processing to be a little smarter, like not walking while confused if it could risk stepping randomly onto a bad tile.
 
-//#define ai_log(M,V)	if(debug_ai) ai_log_output(M,V)
-#define ai_log(M,V)
+#define ai_log(M,V)	if(debug_ai) ai_log_output(M,V)
 
 // Logging level defines.
 #define AI_LOG_OFF		0 // Don't show anything.