diff --git a/firmware/application/temperature_logger.cpp b/firmware/application/temperature_logger.cpp
index b2317ab93..474c3dd03 100644
--- a/firmware/application/temperature_logger.cpp
+++ b/firmware/application/temperature_logger.cpp
@@ -33,7 +33,11 @@ void TemperatureLogger::second_tick() {
 }
 
 size_t TemperatureLogger::size() const {
-	return std::min(samples.size(), samples_count);
+	return std::min(capacity(), samples_count);
+}
+
+size_t TemperatureLogger::capacity() const {
+	return samples.size();
 }
 
 std::vector<TemperatureLogger::sample_t> TemperatureLogger::history() const {
diff --git a/firmware/application/temperature_logger.hpp b/firmware/application/temperature_logger.hpp
index 5095c3383..51f8e451a 100644
--- a/firmware/application/temperature_logger.hpp
+++ b/firmware/application/temperature_logger.hpp
@@ -34,7 +34,8 @@ public:
 	void second_tick();
 
 	size_t size() const;
-
+	size_t capacity() const;
+	
 	std::vector<sample_t> history() const;
 
 private: