diff --git a/NEWS b/NEWS
index 713550034..73f1b403a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,6 @@
 ver 0.19.10 (not yet released)
+* encoder
+  - opus: fix bogus granulepos
 
 ver 0.19.9 (2015/02/06)
 * decoder
diff --git a/src/encoder/plugins/OpusEncoderPlugin.cxx b/src/encoder/plugins/OpusEncoderPlugin.cxx
index 27b614b86..2b52228cb 100644
--- a/src/encoder/plugins/OpusEncoderPlugin.cxx
+++ b/src/encoder/plugins/OpusEncoderPlugin.cxx
@@ -66,7 +66,7 @@ struct opus_encoder {
 
 	ogg_int64_t granulepos;
 
-	opus_encoder():encoder(opus_encoder_plugin) {}
+	opus_encoder():encoder(opus_encoder_plugin), granulepos(0) {}
 };
 
 static constexpr Domain opus_encoder_domain("opus_encoder");