diff --git a/ext/twig/twig.c b/ext/twig/twig.c
index c25c48422..d71ed35a5 100644
--- a/ext/twig/twig.c
+++ b/ext/twig/twig.c
@@ -698,7 +698,7 @@ static int twig_add_property_to_class(void *pDest APPLY_TSRMLS_DC, int num_args,
 	zend_property_info *pptr = (zend_property_info *) pDest;
 	APPLY_TSRMLS_FETCH();
 
-	if (!(pptr->flags & ZEND_ACC_PUBLIC)) {
+	if (!(pptr->flags & ZEND_ACC_PUBLIC) || (pptr->flags & ZEND_ACC_STATIC)) {
 		return 0;
 	}
 
diff --git a/test/Twig/Tests/Fixtures/regression/issue_1143.test b/test/Twig/Tests/Fixtures/regression/issue_1143.test
new file mode 100644
index 000000000..ff7c8bb70
--- /dev/null
+++ b/test/Twig/Tests/Fixtures/regression/issue_1143.test
@@ -0,0 +1,23 @@
+--TEST--
+error in twig extension
+--TEMPLATE--
+{{ object.region is not null ? object.regionChoices[object.region] }}
+--DATA--
+class House
+{
+    const REGION_S = 1;
+    const REGION_P = 2;
+
+    public static $regionChoices = array(self::REGION_S => 'house.region.s', self::REGION_P => 'house.region.p');
+
+    public function getRegionChoices()
+    {
+        return self::$regionChoices;
+    }
+}
+
+$object = new House();
+$object->region = 1;
+return array('object' => $object)
+--EXPECT--
+house.region.s