diff --git a/yli/survival.py b/yli/survival.py
index e3456ff..7af6e78 100644
--- a/yli/survival.py
+++ b/yli/survival.py
@@ -272,6 +272,9 @@ def calc_survfunc_turnbull(time_left, time_right, *, ci=True, step_loc=0.5, maxi
 	
 	xpoints = [i[0]*(1-step_loc) + i[1]*step_loc for i in raw_result['failure_intervals'] if i[1]]
 	ypoints = survival_prob
+	if raw_result['failure_intervals'][-1][1]:
+		# No right-censored observations - we can draw the whole survival curve
+		ypoints = np.concatenate([ypoints, [0]])
 	
 	# Draw straight lines
 	# np.concatenate(...) to force starting drawing from time 0, survival 100%
@@ -296,6 +299,11 @@ def calc_survfunc_turnbull(time_left, time_right, *, ci=True, step_loc=0.5, maxi
 			ci0 = survival_prob_ci.T[0]
 			ci1 = survival_prob_ci.T[1]
 		
+		if raw_result['failure_intervals'][-1][1]:
+			# No right-censored observations - we can draw the whole survival curve
+			ci0 = np.concatenate([ci0, [0]])
+			ci1 = np.concatenate([ci1, [0]])
+		
 		# Plot confidence intervals
 		ypoints0 = np.concatenate([[1], ci0]).repeat(2)[:-1]
 		ypoints1 = np.concatenate([[1], ci1]).repeat(2)[:-1]