diff --git a/libavcodec/libschroedingerenc.c b/libavcodec/libschroedingerenc.c
index 98f6bc9496..d5da6fc6f2 100644
--- a/libavcodec/libschroedingerenc.c
+++ b/libavcodec/libschroedingerenc.c
@@ -44,6 +44,8 @@
 
 /** libschroedinger encoder private data */
 typedef struct SchroEncoderParams {
+    AVClass        *class;
+
     /** Schroedinger video format */
     SchroVideoFormat *format;