diff --git a/examples/fs_poll.php b/examples/fs_poll.php
index 58b2375..90ddf7b 100644
--- a/examples/fs_poll.php
+++ b/examples/fs_poll.php
@@ -4,7 +4,7 @@ $poll = uv_fs_poll_init(uv_default_loop());
 uv_fs_poll_start($poll,function($rsc,$stat,$p){
     var_dump(1);
     var_dump($p);
-    uv_fs_poll_stop($rsc);
+    //uv_fs_poll_stop($rsc);
     
 }, "/tmp/hoge", 1);
 
diff --git a/php_uv.c b/php_uv.c
index 3c3d932..efedc40 100644
--- a/php_uv.c
+++ b/php_uv.c
@@ -6185,6 +6185,11 @@ PHP_FUNCTION(uv_fs_poll_start)
 	}
 
 	ZEND_FETCH_RESOURCE(uv, php_uv_t *, &handle, -1, PHP_UV_RESOURCE_NAME, uv_resource_handle);
+	
+	if (uv->type != IS_UV_FS_POLL) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "passed uv resource didn't initialize for uv_fs_poll");
+		RETURN_FALSE;
+	}
 
 	php_uv_cb_init(&cb, uv, &fci, &fcc, PHP_UV_FS_POLL_CB);
 	uv->uv.fs_poll.data = uv;
@@ -6211,6 +6216,12 @@ PHP_FUNCTION(uv_fs_poll_stop)
 	}
 
 	ZEND_FETCH_RESOURCE(uv, php_uv_t *, &poll, -1, PHP_UV_RESOURCE_NAME, uv_resource_handle);
+	
+	if (uv->type != IS_UV_FS_POLL) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "passed uv resource didn't initialize for uv_fs_poll");
+		RETURN_FALSE;
+	}
+
 	uv_fs_poll_stop(&uv->uv.fs_poll);
 	PHP_UV_DEBUG_RESOURCE_REFCOUNT(uv_fs_poll_stop, uv->resource_id);
 }