diff --git a/libraries/Filter/AP_Filter.cpp b/libraries/Filter/AP_Filter.cpp
index 3e2763141a..072e0513c9 100644
--- a/libraries/Filter/AP_Filter.cpp
+++ b/libraries/Filter/AP_Filter.cpp
@@ -117,7 +117,7 @@ void AP_Filters::update()
                 break;
             case AP_Filter::FilterType::FILTER_NOTCH:
                 if (filters[i] == nullptr) {
-                    filters[i] = new AP_NotchFilter_params();
+                    filters[i] = NEW_NOTHROW AP_NotchFilter_params();
                     backend_var_info[i] = AP_NotchFilter_params::var_info;
                     update = true;
                 }
diff --git a/libraries/Filter/HarmonicNotchFilter.cpp b/libraries/Filter/HarmonicNotchFilter.cpp
index f332971591..835e53192a 100644
--- a/libraries/Filter/HarmonicNotchFilter.cpp
+++ b/libraries/Filter/HarmonicNotchFilter.cpp
@@ -205,7 +205,7 @@ void HarmonicNotchFilter<T>::allocate_filters(uint8_t num_notches, uint32_t harm
     _harmonics = harmonics;
 
     if (_num_filters > 0) {
-        _filters = new NotchFilter<T>[_num_filters];
+        _filters = NEW_NOTHROW NotchFilter<T>[_num_filters];
         if (_filters == nullptr) {
             GCS_SEND_TEXT(MAV_SEVERITY_ERROR, "Failed to allocate %u bytes for notch filter", (unsigned int)(_num_filters * sizeof(NotchFilter<T>)));
             _num_filters = 0;
@@ -231,7 +231,7 @@ void HarmonicNotchFilter<T>::expand_filter_count(uint16_t total_notches)
       note that we rely on the semaphore in
       AP_InertialSensor_Backend.cpp to make this thread safe
      */
-    auto filters = new NotchFilter<T>[total_notches];
+    auto filters = NEW_NOTHROW NotchFilter<T>[total_notches];
     if (filters == nullptr) {
         _alloc_has_failed = true;
         return;