diff --git a/src/main/java/matrix/ConstantMatrixInitializer.java b/src/main/java/matrix/ConstantMatrixInitializer.java
index 88d798b4b1a0e79292168f2a8d6f47024457fdae..7299faec4532eb132ab85f3a41c4a824234adf9b 100644
--- a/src/main/java/matrix/ConstantMatrixInitializer.java
+++ b/src/main/java/matrix/ConstantMatrixInitializer.java
@@ -1,12 +1,10 @@
 package matrix;
 
 public class ConstantMatrixInitializer<T> implements MatrixInitializer<T> {
-
-  // TODO: add instance variables
+  private final T constant ;
 
   public ConstantMatrixInitializer(T constant) {
-    // TODO
-  }
+    this.constant = constant;  }
 
     @Override
     public T initialValueAt(Coordinate coordinate) {