diff --git a/lib/radio/ddc/src/ddc.vhd b/lib/radio/ddc/src/ddc.vhd
index 57c8738..959f213 100644
--- a/lib/radio/ddc/src/ddc.vhd
+++ b/lib/radio/ddc/src/ddc.vhd
@@ -172,7 +172,7 @@ ARCHITECTURE behavior OF ddc IS
 	constant cic_nbits_out			: integer := nbits_out+1;
 	constant cic_nbits_out_frac		: integer := nbits_out_frac+1;
 
-	constant cfir_mul_latency		: integer := 4;
+	constant cfir_mul_latency		: integer := 5;
 	constant cfir_ntaps				: integer := 63;
 	constant cfir_nstages			: integer := 2;
 	constant cfir_nbits_in			: integer := cic_nbits_out;