diff --git a/public/scripts/autocomplete/AutoComplete.js b/public/scripts/autocomplete/AutoComplete.js
index d09db7091..ba3d427a2 100644
--- a/public/scripts/autocomplete/AutoComplete.js
+++ b/public/scripts/autocomplete/AutoComplete.js
@@ -459,6 +459,9 @@ export class AutoComplete {
                 } else {
                     item.dom.classList.remove('selected');
                 }
+                if (!item.isSelectable) {
+                    item.dom.classList.add('not-selectable');
+                }
                 frag.append(item.dom);
             }
             this.dom.append(frag);
diff --git a/public/style.css b/public/style.css
index 1081250bf..d8bbb4329 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1376,6 +1376,8 @@ body[data-stscript-style="dark"] {
     --ac-style-color-matchedText: rgba(108 171 251 / 1);
     --ac-style-color-selectedBackground: rgba(32 57 92 / 1);
     --ac-style-color-selectedText: rgba(255 255 255 / 1);
+    --ac-style-color-notSelectableBackground: rgb(65, 78, 95);
+    --ac-style-color-notSelectableText: rgba(255 255 255 / 1);
     --ac-style-color-hoveredBackground: rgba(43 45 46 / 1);
     --ac-style-color-hoveredText: rgba(204 204 204 / 1);
     --ac-style-color-argName: rgba(171 209 239 / 1);
@@ -1402,6 +1404,8 @@ body[data-stscript-style="light"] {
     --ac-style-color-matchedText: rgba(61 104 188 / 1);
     --ac-style-color-selectedBackground: rgba(232 232 232 / 1);
     --ac-style-color-selectedText: rgba(0 0 0 / 1);
+    --ac-style-color-notSelectableBackground: rgba(232 232 232 / 1);
+    --ac-style-color-notSelectableText: rgb(83, 83, 83);
     --ac-style-color-hoveredBackground: rgba(242 242 242 / 1);
     --ac-style-color-hoveredText: rgba(59 59 59 / 1);
     --ac-style-color-argName: rgba(16 24 125 / 1);
@@ -1424,6 +1428,8 @@ body[data-stscript-style="theme"] {
     --ac-style-color-matchedText: var(--SmartThemeQuoteColor);
     --ac-style-color-selectedBackground: color-mix(in srgb, rgb(128 128 128) 75%, var(--SmartThemeChatTintColor));
     --ac-style-color-selectedText: var(--SmartThemeBodyColor);
+    --ac-style-color-notSelectableBackground: color-mix(in srgb, rgb(128 128 128) 50%, var(--SmartThemeChatTintColor));
+    --ac-style-color-notSelectableText: var(--SmartThemeBodyColor);
     --ac-style-color-hoveredBackground: color-mix(in srgb, rgb(128 128 128) 30%, var(--SmartThemeChatTintColor));
     --ac-style-color-hoveredText: var(--SmartThemeEmColor);
     --ac-style-color-argName: rgba(171 209 239 / 1);
@@ -1450,6 +1456,8 @@ body {
     --ac-color-matchedText: var(--ac-style-color-matchedText, rgba(108 171 251 / 1));
     --ac-color-selectedBackground: var(--ac-style-color-selectedBackground, rgba(32 57 92 / 1));
     --ac-color-selectedText: var(--ac-style-color-selectedText, rgba(255 255 255 / 1));
+    --ac-color-notSelectableBackground: var(--ac-style-color-notSelectableBackground, rgb(60, 73, 92));
+    --ac-color-notSelectableText: var(--ac-style-color-notSelectableText, rgba(255 255 255 / 1));
     --ac-color-hoveredBackground: var(--ac-style-color-hoveredBackground, rgba(43 45 46 / 1));
     --ac-color-hoveredText: var(--ac-style-color-hoveredText, rgba(204 204 204 / 1));
     --ac-color-argName: var(--ac-style-color-argName, rgba(171 209 239 / 1));
@@ -1676,6 +1684,10 @@ body[data-stscript-style] .hljs.language-stscript {
             background-color: var(--ac-color-selectedBackground);
             color: var(--ac-color-selectedText);
         }
+        &.selected.not-selectable>* {
+            background-color: var(--ac-color-notSelectableBackground);
+            color: var(--ac-color-notSelectableText);
+        }
 
         >* {
             height: 100%;