diff --git a/okhttp/src/main/java/com/squareup/okhttp/internal/spdy/SpdyStream.java b/okhttp/src/main/java/com/squareup/okhttp/internal/spdy/SpdyStream.java
index 744a04eaa..a6b39be67 100644
--- a/okhttp/src/main/java/com/squareup/okhttp/internal/spdy/SpdyStream.java
+++ b/okhttp/src/main/java/com/squareup/okhttp/internal/spdy/SpdyStream.java
@@ -670,7 +670,9 @@ public final class SpdyStream {
         }
         closed = true;
       }
-      writeFrame(true);
+      if (!out.finished) {
+        writeFrame(true);
+      }
       connection.flush();
       cancelStreamIfNecessary();
     }