diff --git a/code/datums/components/_component.dm b/code/datums/components/_component.dm
index 0aba043d6b4..e6b7f8a510a 100644
--- a/code/datums/components/_component.dm
+++ b/code/datums/components/_component.dm
@@ -189,7 +189,7 @@
 	for(var/sig_type in sig_types)
 		if(!override && procs[target][sig_type])
 			stack_trace("RegisterSignal overrode a signal without having 'override = TRUE' set.\n \
-						src: [src], signal type: [sig_type], target: [target], proc: [proctype].")
+						src: [src], signal type: [sig_type], target: [target], new proc: [proctype], previous proc: [procs[target][sig_type]].")
 
 		procs[target][sig_type] = proctype