diff --git a/a.out b/a.out
index 6e2043e..f4d0557 100755
Binary files a/a.out and b/a.out differ
diff --git a/cve_pipeline.cpp b/cve_pipeline.cpp
index 2466a49..25b7110 100644
--- a/cve_pipeline.cpp
+++ b/cve_pipeline.cpp
@@ -3,6 +3,7 @@
 #include <fstream>
 #include <stdexcept>
 #include <iostream>
+#include <cassert>
 
 namespace cve {
   CvePipeline::CvePipeline(CveDevice &device, const std::string& vertFilepath, 
@@ -38,6 +39,10 @@ namespace cve {
     auto vertCode = readFile(vertFilepath);
     auto fragCode = readFile(fragFilepath);
 
+    assert(configInfo.pipelineLayout != VK_NULL_HANDLE &&
+        "Unable to create graphics pipeline");
+    assert(configInfo.renderPass != VK_NULL_HANDLE &&
+        "Unable to create graphics pipeline");
     createShaderModule(vertCode, &vertShaderModule);
     createShaderModule(fragCode, &fragShaderModule);
 
@@ -47,16 +52,16 @@ namespace cve {
     shaderStages[0].module = vertShaderModule;
     shaderStages[0].pName = "main";
     shaderStages[0].flags = 0;
-    shaderStages[0].pName = nullptr;
+    shaderStages[0].pNext = nullptr;
     shaderStages[0].pSpecializationInfo = nullptr;
 
-    shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
-    shaderStages[0].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
-    shaderStages[0].module = fragShaderModule;
-    shaderStages[0].pName = "main";
-    shaderStages[0].flags = 0;
-    shaderStages[0].pName = nullptr;
-    shaderStages[0].pSpecializationInfo = nullptr;
+    shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
+    shaderStages[1].module = fragShaderModule;
+    shaderStages[1].pName = "main";
+    shaderStages[1].flags = 0;
+    shaderStages[1].pNext = nullptr;
+    shaderStages[1].pSpecializationInfo = nullptr;
 
     VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
     vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;