diff --git a/src/main.c b/src/main.c
index 5ea46d5..228d625 100644
--- a/src/main.c
+++ b/src/main.c
@@ -267,10 +267,21 @@ QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device,
   return indices;
 }
 
+bool ckeckDeviceExtensionSupport(VkPhysicalDevice device) {
+  uint32_t extensionCount;
+  vkEnumerateDeviceExtensionProperties(device, NULL, &extensionCount, NULL);
+
+  VkExtensionProperties availableExtentions[extensionCount];
+  vkEnumerateDeviceExtensionProperties(device, NULL, &extensionCount,
+                                       availableExtentions);
+
+  return true;
+}
+
 bool isDeviceSuitable(VkPhysicalDevice device, VkSurfaceKHR *surface) {
   QueueFamilyIndices indices = findQueueFamilies(device, surface);
 
-  return indices.graphicsFamilyExists && indices.graphicsFamilyExists;
+  return indices.graphicsFamilyExists && indices.presentFamilyExists;
 }
 
 void pickPhysicalDevice(Application *app) {