diff --git a/sampler.go b/sampler.go
index 83ce2ed..9207a73 100644
--- a/sampler.go
+++ b/sampler.go
@@ -47,6 +47,9 @@ type BasicSampler struct {
 // Sample implements the Sampler interface.
 func (s *BasicSampler) Sample(lvl Level) bool {
 	n := s.N
+	if n == 0 {
+		return false
+	}
 	if n == 1 {
 		return true
 	}
diff --git a/sampler_test.go b/sampler_test.go
index e42ad3a..248bd30 100644
--- a/sampler_test.go
+++ b/sampler_test.go
@@ -28,6 +28,13 @@ var samplers = []struct {
 		},
 		100, 20, 20,
 	},
+	{
+		"BasicSampler_0",
+		func() Sampler {
+			return &BasicSampler{N: 0}
+		},
+		100, 0, 0,
+	},
 	{
 		"RandomSampler",
 		func() Sampler {
@@ -35,6 +42,13 @@ var samplers = []struct {
 		},
 		100, 10, 30,
 	},
+	{
+		"RandomSampler_0",
+		func() Sampler {
+			return RandomSampler(0)
+		},
+		100, 0, 0,
+	},
 	{
 		"BurstSampler",
 		func() Sampler {
@@ -42,6 +56,13 @@ var samplers = []struct {
 		},
 		100, 20, 20,
 	},
+	{
+		"BurstSampler_0",
+		func() Sampler {
+			return &BurstSampler{Burst: 0, Period: time.Second}
+		},
+		100, 0, 0,
+	},
 	{
 		"BurstSamplerNext",
 		func() Sampler {