diff --git a/src/core/tags/NSpinnerTag.ts b/src/core/tags/NSpinnerTag.ts
index 2f438ec..c4d06cf 100644
--- a/src/core/tags/NSpinnerTag.ts
+++ b/src/core/tags/NSpinnerTag.ts
@@ -156,6 +156,10 @@ namespace OS {
                  * @memberof NSpinnerTag
                  */
                 set value(v: number) {
+                    if(this._value === v || isNaN(v))
+                    {
+                        return;
+                    }
                     this._value = v;
                     $(this.refs.holder).val(this._value);
                     const evt = { id: this.aid, data: v };