diff --git a/esphome/components/sensor/filter.cpp b/esphome/components/sensor/filter.cpp
index 6a93cefaaf..f7a5b5d7ad 100644
--- a/esphome/components/sensor/filter.cpp
+++ b/esphome/components/sensor/filter.cpp
@@ -167,7 +167,7 @@ optional<float> FilterOutValueFilter::new_value(float value) {
       return value;
   } else {
     int8_t accuracy = this->parent_->get_accuracy_decimals();
-    float accuracy_mult = pow10f(-accuracy);
+    float accuracy_mult = pow10f(accuracy);
     float rounded_filter_out = roundf(accuracy_mult * this->value_to_filter_out_);
     float rounded_value = roundf(accuracy_mult * value);
     if (rounded_filter_out == rounded_value)