diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Changelog for srtree
 
+## 1.0.0.3
+
+- Fixed issue with HUnit test
+
 ## 1.0.0.2
 
 - Export `Fix` from `Data.SRTRee`
diff --git a/srtree.cabal b/srtree.cabal
--- a/srtree.cabal
+++ b/srtree.cabal
@@ -1,11 +1,11 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.35.1.
+-- This file has been generated from package.yaml by hpack version 0.35.2.
 --
 -- see: https://github.com/sol/hpack
 
 name:           srtree
-version:        1.0.0.2
+version:        1.0.0.3
 synopsis:       A general framework to work with Symbolic Regression expression trees.
 description:    A Symbolic Regression Tree data structure to work with mathematical expressions with support to first order derivative and simplification;
 category:       Math, Data, Data Structures
diff --git a/test/Spec.hs b/test/Spec.hs
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -52,7 +52,7 @@
 -- values from grad
 -- we must relabel the parameters of the expression to sequence values
 gradVals :: [(Double, [Double])]
-gradVals = map (gradParams xs thetaSingle id . relabelParams) exprs
+gradVals = map (gradParamsFwd xs thetaSingle id . relabelParams) exprs
 
 -- values of the evaluated expressions
 exprVals :: [Double]