diff --git a/gzep/README.md b/gzep/README.md
index 489ac7c..c6ab3bb 100644
--- a/gzep/README.md
+++ b/gzep/README.md
@@ -9,11 +9,11 @@ goarch: amd64
 pkg: gitlab.com/slon/shad-go/gzep
 cpu: Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
 BenchmarkEncodeSimple
-BenchmarkEncodeSimple-8   	    8307	    124841 ns/op	  813872 B/op	      17 allocs/op
+BenchmarkEncodeSimple-8   	    7047	    176628 ns/op	  813872 B/op	      17 allocs/op
 BenchmarkEncode
-BenchmarkEncode-8         	 2094512	       620.0 ns/op	       0 B/op	       0 allocs/op
+BenchmarkEncode-8         	   41706	     32616 ns/op	      19 B/op	       0 allocs/op
 PASS
-ok  	gitlab.com/slon/shad-go/gzep	3.756s
+ok  	gitlab.com/slon/shad-go/gzep	3.625s
 ```
 
 ### С чего начать?
diff --git a/gzep/encode_test.go b/gzep/encode_test.go
index 0b98dde..211ad04 100644
--- a/gzep/encode_test.go
+++ b/gzep/encode_test.go
@@ -67,6 +67,13 @@ func TestEncode_Stress(t *testing.T) {
 	wg.Wait()
 }
 
+func TestEncode_Compression(t *testing.T) {
+	buf := new(bytes.Buffer)
+	err := gzep.Encode(bytes.Repeat([]byte{0x1f}, 1000), buf)
+	require.NoError(t, err)
+	require.Less(t, buf.Len(), 1000)
+}
+
 func decode(r io.Reader) ([]byte, error) {
 	rr, err := gzip.NewReader(r)
 	if err != nil {