diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 874f5bbb73..8862d1274c 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -2064,6 +2064,16 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *picture,
         for (int i = 0; i < 4; i++)
             s->channel_offsets[i] *= 2;
     }
+    if (s->compression == EXR_DWAA ||
+        s->compression == EXR_DWAB) {
+        for (int i = 0; i<s->nb_channels; i++) {
+            EXRChannel *channel = &s->channels[i];
+            if (channel->pixel_type != s->pixel_type) {
+                avpriv_request_sample(s->avctx, "mixed pixel type DWA");
+                return AVERROR_PATCHWELCOME;
+            }
+        }
+    }
 
     switch (s->pixel_type) {
     case EXR_FLOAT: