diff --git a/src/main.c b/src/main.c
index 228d625..de8d904 100644
--- a/src/main.c
+++ b/src/main.c
@@ -267,21 +267,45 @@ 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,
+bool checkDeviceExtensionSupport(VkPhysicalDevice device,
+                                 const char *requiredExtentions[],
+                                 size_t requiredExtentionCount) {
+  uint32_t availableExtensionCount;
+  vkEnumerateDeviceExtensionProperties(device, NULL, &availableExtensionCount,
+                                       NULL);
+  VkExtensionProperties availableExtentions[availableExtensionCount];
+  vkEnumerateDeviceExtensionProperties(device, NULL, &availableExtensionCount,
                                        availableExtentions);
 
+  for (uint i = 0; i < requiredExtentionCount; i++) {
+    bool extentionFound = false;
+    for (uint j = 0; j < availableExtensionCount; j++) {
+      if (strcmp(availableExtentions[j].extensionName, requiredExtentions[i]) ==
+          0) {
+        extentionFound = true;
+        break;
+      }
+    }
+    if (!extentionFound) {
+      return false;
+    }
+  }
   return true;
 }
 
 bool isDeviceSuitable(VkPhysicalDevice device, VkSurfaceKHR *surface) {
   QueueFamilyIndices indices = findQueueFamilies(device, surface);
+  bool completeIndeces =
+      indices.graphicsFamilyExists && indices.presentFamilyExists;
 
-  return indices.graphicsFamilyExists && indices.presentFamilyExists;
+  const char *requiredExtensions[] = {VK_KHR_SWAPCHAIN_EXTENSION_NAME};
+  size_t requiredExtentionCount =
+      sizeof(requiredExtensions) / sizeof(const char *);
+
+  bool extensionsSupported = checkDeviceExtensionSupport(
+      device, requiredExtensions, requiredExtentionCount);
+
+  return completeIndeces && extensionsSupported;
 }
 
 void pickPhysicalDevice(Application *app) {