diff --git a/util.go b/util.go
index dfb9877..af3467f 100644
--- a/util.go
+++ b/util.go
@@ -109,7 +109,7 @@ func Normalize(values ...float64) []float64 {
 	}
 	output := make([]float64, len(values))
 	for x, v := range values {
-		output[x] = RoundDown(v/total, 0.00001)
+		output[x] = RoundDown(v/total, 0.0001)
 	}
 	return output
 }
diff --git a/util_test.go b/util_test.go
index d3cd9c3..8bf6b15 100644
--- a/util_test.go
+++ b/util_test.go
@@ -122,7 +122,7 @@ func TestNormalize(t *testing.T) {
 	normalized := Normalize(values...)
 	assert.Len(normalized, 5)
 	assert.Equal(0.25, normalized[0])
-	assert.Equal(0.15, normalized[4])
+	assert.Equal(0.1499, normalized[4])
 }
 
 var (
diff --git a/value.go b/value.go
index a1ac67d..be436b5 100644
--- a/value.go
+++ b/value.go
@@ -32,7 +32,7 @@ func (vs Values) Normalize() []Value {
 		output[index] = Value{
 			Style: v.Style,
 			Label: v.Label,
-			Value: RoundDown(v.Value/total, 0.00001),
+			Value: RoundDown(v.Value/total, 0.0001),
 		}
 	}
 	return output
diff --git a/value_test.go b/value_test.go
index f13a916..0b3b0b5 100644
--- a/value_test.go
+++ b/value_test.go
@@ -45,8 +45,8 @@ func TestValuesValuesNormalized(t *testing.T) {
 
 	values := Values(vs).ValuesNormalized()
 	assert.Len(values, 7)
-	assert.Equal(0.212, values[0])
-	assert.Equal(0.042, values[6])
+	assert.Equal(0.2127, values[0])
+	assert.Equal(0.0425, values[6])
 }
 
 func TestValuesNormalize(t *testing.T) {
@@ -64,6 +64,6 @@ func TestValuesNormalize(t *testing.T) {
 
 	values := Values(vs).Normalize()
 	assert.Len(values, 7)
-	assert.Equal(0.212, values[0].Value)
-	assert.Equal(0.042, values[6].Value)
+	assert.Equal(0.2127, values[0].Value)
+	assert.Equal(0.0425, values[6].Value)
 }