diff --git a/src/opus_encoder.h b/src/opus_encoder.h
index 1b0271e4efa16130f465baa8443b812dbec82ceb..d6b21369e5fa58132a8db703721fe87e5e8e49c0 100644
--- a/src/opus_encoder.h
+++ b/src/opus_encoder.h
@@ -51,7 +51,7 @@ struct OpusEncoder {
     /* Sampling rate (at the API level) */
     int          Fs;
 
-    short        delay_buffer[ENCODER_DELAY_COMPENSATION];
+    short        delay_buffer[ENCODER_DELAY_COMPENSATION*2];
 };