diff --git a/pkg/types/indicator.go b/pkg/types/indicator.go
index 593f6bec8..839e9b3fc 100644
--- a/pkg/types/indicator.go
+++ b/pkg/types/indicator.go
@@ -327,29 +327,29 @@ func Dot(a interface{}, b interface{}, limit ...int) float64 {
 		aas = tp
 		isaf = false
 	default:
-		panic("input should be either Series or float64")
+		panic("input should be either *Series or numbers")
 	}
 	switch tp := b.(type) {
 	case float64:
 		bbf = tp
 		isbf = true
 	case int32:
-		aaf = float64(tp)
-		isaf = true
+		bbf = float64(tp)
+		isbf = true
 	case int64:
-		aaf = float64(tp)
-		isaf = true
+		bbf = float64(tp)
+		isbf = true
 	case float32:
-		aaf = float64(tp)
-		isaf = true
+		bbf = float64(tp)
+		isbf = true
 	case int:
-		aaf = float64(tp)
-		isaf = true
+		bbf = float64(tp)
+		isbf = true
 	case Series:
 		bbs = tp
 		isbf = false
 	default:
-		panic("input should be either Series or float64")
+		panic("input should be either *Series or numbers")
 
 	}
 	l := 1
diff --git a/pkg/types/indicator_test.go b/pkg/types/indicator_test.go
index da328c666..d8c158f2a 100644
--- a/pkg/types/indicator_test.go
+++ b/pkg/types/indicator_test.go
@@ -215,6 +215,10 @@ func TestDot(t *testing.T) {
 	assert.InDelta(t, out2, 3., 0.001)
 	out3 := Dot(3., &a, 2)
 	assert.InDelta(t, out2, out3, 0.001)
+	out4 := Dot(&a, 3, 2)
+	assert.InDelta(t, out2, 3., 0.001)
+	out5 := Dot(3, &a, 2)
+	assert.InDelta(t, out4, out5, 0.001)
 }
 
 func TestClone(t *testing.T) {