diff --git a/client/src/vue_components/show/config/cues/CueEditor.vue b/client/src/vue_components/show/config/cues/CueEditor.vue
index 3aaf2cab..4bb7cab2 100644
--- a/client/src/vue_components/show/config/cues/CueEditor.vue
+++ b/client/src/vue_components/show/config/cues/CueEditor.vue
@@ -254,9 +254,14 @@ export default {
         DATA: {},
       });
     },
-    decrPage() {
+    async decrPage() {
       if (this.currentEditPage > 1) {
+        const targetPage = this.currentEditPage - 1;
+        // Load target page from backend
+        await this.LOAD_SCRIPT_PAGE(targetPage);
         this.currentEditPage--;
+        // Pre-load previous page
+        await this.LOAD_SCRIPT_PAGE(this.currentEditPage - 1);
       }
     },
     async incrPage() {
diff --git a/client/src/vue_components/show/config/script/ScriptEditor.vue b/client/src/vue_components/show/config/script/ScriptEditor.vue
index 4ee4b980..29d11371 100644
--- a/client/src/vue_components/show/config/script/ScriptEditor.vue
+++ b/client/src/vue_components/show/config/script/ScriptEditor.vue
@@ -533,8 +533,11 @@ export default {
     },
     async decrPage() {
       if (this.currentEditPage > 1) {
-        if (!Object.keys(this.TMP_SCRIPT).includes((this.currentEditPage - 1).toString())) {
-          this.ADD_BLANK_PAGE(this.currentEditPage - 1);
+        const targetPage = this.currentEditPage - 1;
+        // Load from backend if not in buffer
+        if (!Object.keys(this.TMP_SCRIPT).includes(targetPage.toString())) {
+          await this.LOAD_SCRIPT_PAGE(targetPage);
+          this.ADD_BLANK_PAGE(targetPage);
         }
         if (this.TMP_SCRIPT[this.currentEditPageKey].length === 0) {
           this.REMOVE_PAGE(this.currentEditPage);