diff --git a/CHANGES b/CHANGES
index 66eaa40..90ed506 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,14 @@ viktor Changelog
 
 Here you can see the full list of changes between each viktor release.
 
+Version 0.3.3
+-------------
+
+Bugfix release
+
+- Fixed a bug in 'DenseVector.minusAssign' which called 'plusAssign'
+  if the argument was not dense.
+
 Version 0.3.2
 -------------
 
diff --git a/src/main/kotlin/org/jetbrains/bio/viktor/DenseVector.kt b/src/main/kotlin/org/jetbrains/bio/viktor/DenseVector.kt
index 2cb47f4..3bb001c 100644
--- a/src/main/kotlin/org/jetbrains/bio/viktor/DenseVector.kt
+++ b/src/main/kotlin/org/jetbrains/bio/viktor/DenseVector.kt
@@ -146,7 +146,7 @@ class LargeDenseVector(data: DoubleArray, offset: Int, size: Int) :
                                        other.data, other.offset,
                                        data, offset, size)
         } else {
-            super.plusAssign(other)
+            super.minusAssign(other)
         }
     }