diff --git a/src/fm95.c b/src/fm95.c
index 94f4a0b..1f23e4c 100644
--- a/src/fm95.c
+++ b/src/fm95.c
@@ -1,7 +1,7 @@
 #include <getopt.h>
 #include <liquid/liquid.h>
 
-#define LPF_ORDER 17
+#define LPF_ORDER 21
 
 #define buffer_maxlength 12288
 #define buffer_tlength_fragsize 12288