diff --git a/lib/ng2-select2.component.ts b/lib/ng2-select2.component.ts
index 1607f94..4e22a81 100644
--- a/lib/ng2-select2.component.ts
+++ b/lib/ng2-select2.component.ts
@@ -98,7 +98,22 @@ export class Select2Component implements AfterViewInit, OnChanges, OnDestroy, On
             this.setElementValue(this.value);
         }
 
-        this.element.on('select2:select select2:unselect', () => {
+        this.element.on('select2:select', () => {
+            this.valueChanged.emit({
+                value: this.element.val(),
+                data: this.element.select2('data')
+            });
+        });
+        
+        this.element.on('select2:unselect', () => {
+            /* for some reason the element is still returned by val. Workaround for single-select controls */
+            if (this.options.multiple !== true) {
+                this.valueChanged.emit({
+                    value: null,
+                    data: this.element.select2('data')
+                });
+                return;
+            }
             this.valueChanged.emit({
                 value: this.element.val(),
                 data: this.element.select2('data')
@@ -107,7 +122,9 @@ export class Select2Component implements AfterViewInit, OnChanges, OnDestroy, On
     }
 
     ngOnDestroy() {
-        this.element.off("select2:select");
+        if (this.element) {
+            this.element.off("select2:select");
+        }
     }
 
     private initPlugin() {