diff --git a/http2/pipe.go b/http2/pipe.go
index 0b9848b..a614009 100644
--- a/http2/pipe.go
+++ b/http2/pipe.go
@@ -50,7 +50,7 @@
 		if p.breakErr != nil {
 			return 0, p.breakErr
 		}
-		if p.b.Len() > 0 {
+		if p.b != nil && p.b.Len() > 0 {
 			return p.b.Read(d)
 		}
 		if p.err != nil {
diff --git a/http2/pipe_test.go b/http2/pipe_test.go
index 82bf9a3..1bf351f 100644
--- a/http2/pipe_test.go
+++ b/http2/pipe_test.go
@@ -92,9 +92,12 @@
 	if err != a {
 		t.Logf("read error = %v, %v", err, a)
 	}
-	// Write should fail.
+	// Read and Write should fail.
 	if n, err := p.Write([]byte("abc")); err != errClosedPipeWrite || n != 0 {
-		t.Errorf("Write(abc) after close\ngot =%v, %v\nwant 0, %v", n, err, errClosedPipeWrite)
+		t.Errorf("Write(abc) after close\ngot %v, %v\nwant 0, %v", n, err, errClosedPipeWrite)
+	}
+	if n, err := p.Read(make([]byte, 1)); err == nil || n != 0 {
+		t.Errorf("Read() after close\ngot %v, nil\nwant 0, %v", n, errClosedPipeWrite)
 	}
 }
 
@@ -115,9 +118,13 @@
 	}
 	// Write should succeed silently.
 	if n, err := p.Write([]byte("abc")); err != nil || n != 3 {
-		t.Errorf("Write(abc) after break\ngot =%v, %v\nwant 0, nil", n, err)
+		t.Errorf("Write(abc) after break\ngot %v, %v\nwant 0, nil", n, err)
 	}
 	if p.b != nil {
 		t.Errorf("buffer should be nil after Write")
 	}
+	// Read should fail.
+	if n, err := p.Read(make([]byte, 1)); err == nil || n != 0 {
+		t.Errorf("Read() after close\ngot %v, nil\nwant 0, not nil", n)
+	}
 }