diff --git a/include/mcpp/util.h b/include/mcpp/util.h
index 8a0b0cb3..640eb716 100644
--- a/include/mcpp/util.h
+++ b/include/mcpp/util.h
@@ -181,7 +181,7 @@ struct Chunk {
     };
 
     Iterator begin() { return Iterator(&raw_data[0]); }
-    Iterator end() { return Iterator(&raw_data[_x_len * _z_len * _z_len]); }
+    Iterator end() { return Iterator(&raw_data[_x_len * _y_len * _z_len]); }
 
     /**
      * Initialized by copying from a flat vector of blocks
diff --git a/test/minecraft_tests.cpp b/test/minecraft_tests.cpp
index 7f4b707f..7032c9f7 100644
--- a/test/minecraft_tests.cpp
+++ b/test/minecraft_tests.cpp
@@ -198,7 +198,7 @@ TEST_CASE("getBlocks and Chunk operations") {
         for (BlockType block : res) {
             expected_blocks.push_back(block);
         }
-        CHECK_NE(blocks, expected_blocks);
+        CHECK_EQ(blocks, expected_blocks);
     }
 
     mc.setBlock(test_loc, BlockType(0));