diff --git a/esphome/components/sensor/filter.h b/esphome/components/sensor/filter.h
index e289f997f2a..1b71942ef33 100644
--- a/esphome/components/sensor/filter.h
+++ b/esphome/components/sensor/filter.h
@@ -539,12 +539,7 @@ optional<float> calibrate_linear_compute(const std::array<float, 3> *functions,
 template<size_t N> class CalibrateLinearFilter : public Filter {
  public:
   explicit CalibrateLinearFilter(std::initializer_list<std::array<float, 3>> linear_functions) {
-    size_t i = 0;
-    for (const auto &f : linear_functions) {
-      if (i >= N)
-        break;
-      this->linear_functions_[i++] = f;
-    }
+    init_array_from(this->linear_functions_, linear_functions);
   }
   optional<float> new_value(float value) override {
     return calibrate_linear_compute(this->linear_functions_.data(), N, value);