diff --git a/src/rendervulkan.cpp b/src/rendervulkan.cpp
index 41f892a..eb75719 100644
--- a/src/rendervulkan.cpp
+++ b/src/rendervulkan.cpp
@@ -3287,7 +3287,7 @@ std::shared_ptr<CVulkanTexture> vulkan_create_texture_from_wlr_buffer( struct wl
 	void *src;
 	uint32_t drmFormat;
 	size_t stride;
-	if ( wlr_buffer_begin_data_ptr_access( buf, WLR_BUFFER_DATA_PTR_ACCESS_READ, &src, &drmFormat, &stride ) )
+	if ( !wlr_buffer_begin_data_ptr_access( buf, WLR_BUFFER_DATA_PTR_ACCESS_READ, &src, &drmFormat, &stride ) )
 	{
 		return 0;
 	}