diff --git a/algo/de/jDE.go b/algo/de/jDE.go
index f48da0a..d0b52f4 100644
--- a/algo/de/jDE.go
+++ b/algo/de/jDE.go
@@ -35,6 +35,8 @@ type JDE struct {
 	Population *Population
 	// BenchName is a name of the problem to optimise.
 	BenchName string
+	// ch is a channel for writing back computed results.
+	ch chan []stats.Stats
 	// initialised denotes the initialisation state of the struct.
 	initialised bool
 }
@@ -99,6 +101,7 @@ func (j *JDE) Init(generations, mutStrategy, adptScheme, np int, f, cr float64,
 	j.CR = cr
 	j.Dimensions = dimensions
 	j.BenchName = bench
+	j.ch = ch
 	j.initialised = true
 
 	pop := newPopulation(bench, j.NP)