diff --git a/libavcodec/flac.h b/libavcodec/flac.h
index bab6b1d16d..246ec44fd2 100644
--- a/libavcodec/flac.h
+++ b/libavcodec/flac.h
@@ -29,6 +29,8 @@
 
 #include "avcodec.h"
 
+#define FLAC_STREAMINFO_SIZE 34
+
 enum {
     FLAC_METADATA_TYPE_STREAMINFO = 0,
     FLAC_METADATA_TYPE_PADDING,
diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index 16aa476376..7ebf01595b 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -47,7 +47,6 @@
 
 #define MAX_CHANNELS 8
 #define MAX_BLOCKSIZE 65535
-#define FLAC_STREAMINFO_SIZE 34
 
 enum decorrelation_type {
     INDEPENDENT,