diff --git a/codec/h264/h264dec/cavlc.go b/codec/h264/h264dec/cavlc.go
index 820ec67c..e1932548 100644
--- a/codec/h264/h264dec/cavlc.go
+++ b/codec/h264/h264dec/cavlc.go
@@ -56,11 +56,7 @@ func parseLevelInformation(br *bits.BitReader, totalCoeff, trailingOnes int) ([]
 		if err != nil {
 			return nil, fmt.Errorf("could not read trailing_ones_sign_flag, failed with error: %v", err)
 		}
-		if b == 0 {
-			levelVal = append(levelVal, 1)
-			continue
-		}
-		levelVal = append(levelVal, -1)
+		levelVal = append(levelVal, 1-int(b)*2)
 	}
 
 	var suffixLen int