diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index aa576253a6..e8627a23d9 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -691,7 +691,7 @@ static int dca_subframe_header(DCAContext * s, int base_channel, int block_index
     }
 
     /* Dynamic range coefficient */
-    if (s->dynrange)
+    if (!base_channel && s->dynrange)
         s->dynrange_coef = get_bits(&s->gb, 8);
 
     /* Side information CRC check word */