diff --git a/src/main/java/com/okseby/core/ObjectLoader.java b/src/main/java/com/okseby/core/ObjectLoader.java
index 7eb0db1..55eff3e 100644
--- a/src/main/java/com/okseby/core/ObjectLoader.java
+++ b/src/main/java/com/okseby/core/ObjectLoader.java
@@ -35,19 +35,26 @@ public class ObjectLoader {
 
     private void storeIndicesBuffer(int[] indices) {
         int vbo = GL15.glGenBuffers();
+
         vbos.add(vbo);
+
         GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo);
+
         IntBuffer buffer = Utils.storeDataInIntBuffer(indices);
         GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW);
     }
 
     private void storeDataInAttributeList(int attributeNumber, int vertexCount, float[] data) {
         int vbo = GL15.glGenBuffers();
+
         vbos.add(vbo);
+
         GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo);
+
         FloatBuffer buffer = Utils.storeDataInFloatBuffer(data);
+
         GL15.glBufferData(GL15.GL_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW);
-        GL20.glVertexAttribPointer(attributeNumber, vertexCount, GL11.GL_FLAT, false, 0, 0);
+        GL20.glVertexAttribPointer(attributeNumber, vertexCount, GL11.GL_FLOAT, false, 0, 0);
         GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
     }
 
diff --git a/src/main/java/com/okseby/core/RenderManager.java b/src/main/java/com/okseby/core/RenderManager.java
index 910f6d8..1becf6d 100644
--- a/src/main/java/com/okseby/core/RenderManager.java
+++ b/src/main/java/com/okseby/core/RenderManager.java
@@ -31,6 +31,7 @@ public class RenderManager {
         GL30.glBindVertexArray(model.getId());
         GL20.glEnableVertexAttribArray(0);
         GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, model.getVertexCount());
+
         GL20.glDisableVertexAttribArray(0);
         GL30.glBindVertexArray(0);
 
diff --git a/src/main/java/com/okseby/core/utils/Utils.java b/src/main/java/com/okseby/core/utils/Utils.java
index ae8b1ea..5904644 100644
--- a/src/main/java/com/okseby/core/utils/Utils.java
+++ b/src/main/java/com/okseby/core/utils/Utils.java
@@ -25,9 +25,11 @@ public class Utils {
 
     public static String loadResource(String filename) throws Exception {
         String result;
-        try (InputStream in = Utils.class.getResourceAsStream(filename);
-             Scanner scanner = new Scanner(in, StandardCharsets.UTF_8.name())) {
-            result = scanner.useDelimiter("\\A").next();
+        try (InputStream in = Utils.class.getResourceAsStream(filename)) {
+            assert in != null;
+            try (Scanner scanner = new Scanner(in, StandardCharsets.UTF_8)) {
+                result = scanner.useDelimiter("\\A").next();
+            }
         }
         return result;
     }