diff --git a/src/pixie/fileformats/jpeg.nim b/src/pixie/fileformats/jpeg.nim
index 50c3301..5b5eadf 100644
--- a/src/pixie/fileformats/jpeg.nim
+++ b/src/pixie/fileformats/jpeg.nim
@@ -1183,6 +1183,9 @@ proc decodeJpegDimensions*(
         break
       of 0xC1:
         failInvalid("unsupported extended sequential DCT format")
+      of 0xC4:
+        # Define Huffman Table
+        state.decodeDHT()
       of 0xDB:
         # Define Quantization Table(s)
         state.skipChunk()