diff --git a/public/scripts/world-info.js b/public/scripts/world-info.js
index af102a45c..2340eb59b 100644
--- a/public/scripts/world-info.js
+++ b/public/scripts/world-info.js
@@ -2888,8 +2888,8 @@ function convertAgnaiMemoryBook(inputObj) {
             addMemo: !!entry.name,
             excludeRecursion: false,
             displayIndex: index,
-            probability: null,
-            useProbability: false,
+            probability: 100,
+            useProbability: true,
             group: '',
             groupOverride: false,
             groupWeight: DEFAULT_WEIGHT,
@@ -2926,8 +2926,8 @@ function convertRisuLorebook(inputObj) {
             addMemo: true,
             excludeRecursion: false,
             displayIndex: index,
-            probability: entry.activationPercent ?? null,
-            useProbability: entry.activationPercent ?? false,
+            probability: entry.activationPercent ?? 100,
+            useProbability: entry.activationPercent ?? true,
             group: '',
             groupOverride: false,
             groupWeight: DEFAULT_WEIGHT,
@@ -2969,8 +2969,8 @@ function convertNovelLorebook(inputObj) {
             addMemo: addMemo,
             excludeRecursion: false,
             displayIndex: index,
-            probability: null,
-            useProbability: false,
+            probability: 100,
+            useProbability: true,
             group: '',
             groupOverride: false,
             groupWeight: DEFAULT_WEIGHT,
@@ -3011,8 +3011,8 @@ function convertCharacterBook(characterBook) {
             disable: !entry.enabled,
             addMemo: entry.comment ? true : false,
             displayIndex: entry.extensions?.display_index ?? index,
-            probability: entry.extensions?.probability ?? null,
-            useProbability: entry.extensions?.useProbability ?? false,
+            probability: entry.extensions?.probability ?? 100,
+            useProbability: entry.extensions?.useProbability ?? true,
             depth: entry.extensions?.depth ?? DEFAULT_DEPTH,
             selectiveLogic: entry.extensions?.selectiveLogic ?? world_info_logic.AND_ANY,
             group: entry.extensions?.group ?? '',