diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx
index 337728c7..fbf67684 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx
@@ -57,7 +57,10 @@ interface SystemSignaturesContentProps {
   onSelect?: (signature: SystemSignature) => void;
   onLazyDeleteChange?: (value: boolean) => void;
   onCountChange?: (count: number) => void;
-  onPendingChange?: (pending: ExtendedSystemSignature[], undo: () => void) => void;
+  onPendingChange?: (
+    pending: React.MutableRefObject<Record<string, ExtendedSystemSignature>>,
+    undo: () => void,
+  ) => void;
   deletionTiming?: number;
   filterSignature?: (signature: SystemSignature) => boolean;
 }
diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/usePendingDeletions.ts b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/usePendingDeletions.ts
index 2591e084..89f9a51b 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/usePendingDeletions.ts
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/usePendingDeletions.ts
@@ -70,6 +70,7 @@ export function usePendingDeletions({
           });
           delete pendingDeletionMapRef.current[sig.eve_id];
           setSignatures(prev => prev.filter(x => x.eve_id !== sig.eve_id));
+          onPendingChange?.(pendingDeletionMapRef, clearPendingDeletions);
         },
         finalDuration,
       );