diff --git a/dvb-t/cz-Praha b/dvb-t/cz-Praha
index 3301027b..2c8d984c 100644
--- a/dvb-t/cz-Praha
+++ b/dvb-t/cz-Praha
@@ -1,4 +1,4 @@
 # DVB-T Praha (Prague, Czech Republic)
 # T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
-T 506000000 8MHz 2/3 NONE QAM16 8k 1/8 NONE
-T 674000000 8MHz 2/3 NONE QAM16 8k 1/8 NONE
+T 506000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
+T 674000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE