diff --git a/pkg/goal/goal.go b/pkg/goal/goal.go
index ba4259cc..ec0e8c38 100644
--- a/pkg/goal/goal.go
+++ b/pkg/goal/goal.go
@@ -98,6 +98,10 @@ func RenderToday(goal *Goal, out output.Output) (string, error) {
 		return "", errors.New("no goal found for the current day")
 	}
 
+	if len(goal.Data.ChartData) == 0 {
+		return "", errors.New("no chart data found for the current day")
+	}
+
 	if out == output.RawJSONOutput {
 		data, err := json.Marshal(goal)
 		if err != nil {
diff --git a/pkg/goal/goal_test.go b/pkg/goal/goal_test.go
index 421b5fc3..5cefb293 100644
--- a/pkg/goal/goal_test.go
+++ b/pkg/goal/goal_test.go
@@ -36,6 +36,18 @@ func TestRenderToday(t *testing.T) {
 	}
 }
 
+func TestRenderToday_NilGoal(t *testing.T) {
+	_, err := goal.RenderToday(nil, output.TextOutput)
+
+	assert.EqualError(t, err, "no goal found for the current day")
+}
+
+func TestRenderToday_EmptyChartData(t *testing.T) {
+	_, err := goal.RenderToday(&goal.Goal{}, output.TextOutput)
+
+	assert.EqualError(t, err, "no chart data found for the current day")
+}
+
 func readFile(t *testing.T, fp string) string {
 	data, err := os.ReadFile(fp)
 	require.NoError(t, err)