diff --git a/src/sensors.cpp b/src/sensors.cpp
index d9457ee93..742972e37 100644
--- a/src/sensors.cpp
+++ b/src/sensors.cpp
@@ -73,7 +73,7 @@ void Sensors::loop() {
             last_activity_ = time_now;
         }
     } else if (state_ == State::READING) {
-        if (temperature_convert_complete()) {
+        if (temperature_convert_complete() && (time_now - last_activity_ > CONVERSION_MS)) {
             // LOG_DEBUG(F("Scanning for sensors")); // uncomment for debug
             bus_.reset_search();
             found_.clear();
diff --git a/src/sensors.h b/src/sensors.h
index c8dedf664..f11ed826f 100644
--- a/src/sensors.h
+++ b/src/sensors.h
@@ -89,6 +89,7 @@ class Sensors {
     static constexpr uint8_t TYPE_DS1825  = 0x3B;
 
     static constexpr uint32_t READ_INTERVAL_MS = 5000;  // 5 seconds
+    static constexpr uint32_t CONVERSION_MS    = 1000;  // 1 seconds
     static constexpr uint32_t READ_TIMEOUT_MS  = 2000;  // 2 seconds
     static constexpr uint32_t SCAN_TIMEOUT_MS  = 30000; // 30 seconds