diff --git a/src/app/components/autocomplete/autocomplete.ts b/src/app/components/autocomplete/autocomplete.ts
index 88f75376726..28c7e96b392 100755
--- a/src/app/components/autocomplete/autocomplete.ts
+++ b/src/app/components/autocomplete/autocomplete.ts
@@ -1061,7 +1061,7 @@ export class AutoComplete implements AfterViewChecked, AfterContentInit, OnDestr
             clearTimeout(this.searchTimeout);
         }
 
-        let query = event.target.value;
+        let query = event.target.value.split('').slice(0, this.maxlength).join('');
 
         if (!this.multiple && !this.forceSelection) {
             this.updateModel(query);
@@ -1622,3 +1622,4 @@ export class AutoComplete implements AfterViewChecked, AfterContentInit, OnDestr
     declarations: [AutoComplete]
 })
 export class AutoCompleteModule {}
+