diff --git a/filter/ynotch.h b/filter/ynotch.h
index 1af0475..23db0de 100644
--- a/filter/ynotch.h
+++ b/filter/ynotch.h
@@ -4,8 +4,8 @@
 #include <array>
 #include <vector>
 
-template <typename t_sample>
 namespace trnr {
+template <typename t_sample>
 // Notch filter based on YNotch by Chris Johnson
 class ynotch {
 public:
diff --git a/filter/ysvf.h b/filter/ysvf.h
index 717e8f8..a4a18bd 100644
--- a/filter/ysvf.h
+++ b/filter/ysvf.h
@@ -5,7 +5,6 @@
 #include "ynotch.h"
 
 namespace trnr {
-template <typename t_sample>
 
 enum filter_types {
     lowpass = 0,
@@ -14,6 +13,7 @@ enum filter_types {
     notch
 };
 
+template <typename t_sample>
 class ysvf {
 public:
     ysvf(double _samplerate)