diff --git a/src/GeometryCast.php b/src/GeometryCast.php
index a994059..213f4f6 100644
--- a/src/GeometryCast.php
+++ b/src/GeometryCast.php
@@ -69,7 +69,7 @@ public function set($model, string $key, $value, array $attributes): ?Expression
         if (! ($value instanceof $this->className)) {
             $geometryType = is_object($value) ? $value::class : gettype($value);
             throw new InvalidArgumentException(
-                sprintf('Expected %s, %s given.', static::class, $geometryType)
+                sprintf('Expected %s, %s given.', $this->className, $geometryType)
             );
         }
 
diff --git a/src/Traits/HasSpatial.php b/src/Traits/HasSpatial.php
index ad6ee75..14816f0 100644
--- a/src/Traits/HasSpatial.php
+++ b/src/Traits/HasSpatial.php
@@ -11,6 +11,26 @@
 
 trait HasSpatial
 {
+    public function originalIsEquivalent($key)
+    {
+        if (! array_key_exists($key, $this->original)) {
+            return false;
+        }
+
+        $casts = $this->getCasts();
+
+        if (array_key_exists($key, $casts)) {
+            $original = $this->getOriginal($key);
+            $attribute = $this->getAttributeValue($key);
+
+            if ($original instanceof Geometry && $attribute instanceof Geometry) {
+                return $original->getWktData() === $attribute->getWktData();
+            }
+        }
+
+        return parent::originalIsEquivalent($key);
+    }
+
     public function scopeWithDistance(
         Builder $query,
         ExpressionContract|Geometry|string $column,
diff --git a/tests/GeometryCastTest.php b/tests/GeometryCastTest.php
index 4073d14..5f98015 100644
--- a/tests/GeometryCastTest.php
+++ b/tests/GeometryCastTest.php
@@ -126,3 +126,66 @@
 
     expect($testPlace->point)->toEqual($point);
 });
+
+it('checks a model record is not dirty after creation', function (): void {
+    $point = new Point(0, 180);
+
+    /** @var TestPlace $testPlace */
+    $testPlace = TestPlace::factory()->create(['point' => $point]);
+
+    expect($testPlace->isDirty())->toBeFalse();
+});
+
+it('checks a model record is not dirty after fetch', function (): void {
+    $point = new Point(0, 180);
+    TestPlace::factory()->create(['point' => $point]);
+
+    /** @var TestPlace $testPlace */
+    $testPlace = TestPlace::firstOrFail();
+
+    expect($testPlace->isDirty())->toBeFalse();
+});
+
+it('checks a model record is dirty after update from null before save', function (): void {
+    $point = new Point(0, 180);
+    /** @var TestPlace $testPlace */
+    $testPlace = TestPlace::factory()->create([]);
+
+    $testPlace->point = $point;
+
+    expect($testPlace->isDirty())->toBeTrue();
+});
+
+it('checks a model record is dirty after update before save', function (): void {
+    $point = new Point(0, 180);
+    $point2 = new Point(0, 0);
+    /** @var TestPlace $testPlace */
+    $testPlace = TestPlace::factory()->create(['point' => $point]);
+
+    $testPlace->point = $point2;
+
+    expect($testPlace->isDirty())->toBeTrue();
+});
+
+it('checks a model record is not dirty after update and save', function (): void {
+    $point = new Point(0, 180);
+    $point2 = new Point(0, 0);
+    /** @var TestPlace $testPlace */
+    $testPlace = TestPlace::factory()->create(['point' => $point]);
+
+    $testPlace->point = $point2;
+    $testPlace->save();
+
+    expect($testPlace->isDirty())->toBeFalse();
+});
+
+it('checks a model record is not dirty after update to same value before save', function (): void {
+    $point = new Point(0, 180);
+    $point2 = new Point(0, 180);
+    /** @var TestPlace $testPlace */
+    $testPlace = TestPlace::factory()->create(['point' => $point]);
+
+    $testPlace->point = $point2;
+
+    expect($testPlace->isDirty())->toBeFalse();
+});