diff --git a/demos/vulkaninfo.c b/demos/vulkaninfo.c
index 90a4e83..ee2a204 100644
--- a/demos/vulkaninfo.c
+++ b/demos/vulkaninfo.c
@@ -427,6 +427,7 @@
     // Extensions to enable
     static const char *known_extensions[] = {
         //TODO add WSI device extension WSI swapchain, WSI_LUNARG is a global extension
+        ""
     };
 
     uint32_t count = 0;