diff --git a/api-generator/components/autocomplete.js b/api-generator/components/autocomplete.js
index d0b09bde2..98fcd885e 100644
--- a/api-generator/components/autocomplete.js
+++ b/api-generator/components/autocomplete.js
@@ -119,6 +119,12 @@ const AutoCompleteProps = [
         default: "null",
         description: "Style class of the overlay panel."
     },
+    {
+        name: "loadingIcon",
+        type: "string",
+        default: "pi pi-spinner",
+        description: "Icon to display in loading state."
+    },
     {
         name: "virtualScrollerOptions",
         type: "object",
diff --git a/src/components/autocomplete/AutoComplete.d.ts b/src/components/autocomplete/AutoComplete.d.ts
index cfb715d24..a8950ce67 100755
--- a/src/components/autocomplete/AutoComplete.d.ts
+++ b/src/components/autocomplete/AutoComplete.d.ts
@@ -135,6 +135,11 @@ export interface AutoCompleteProps {
      * Style class of the overlay panel.
      */
     panelClass?: any;
+    /**
+     * Icon to display in loading state.
+     * Default value is 'pi pi-spinner pi-spin'.
+     */
+    loadingIcon?: string | undefined;
     /**
      * Whether to use the virtualScroller feature. The properties of VirtualScroller component can be used like an object in it.
      * @see VirtualScroller.VirtualScrollerProps