diff --git a/src/AudioTools/AudioOutput.h b/src/AudioTools/AudioOutput.h
index d513d8f32d..f7522504d9 100644
--- a/src/AudioTools/AudioOutput.h
+++ b/src/AudioTools/AudioOutput.h
@@ -804,7 +804,7 @@ class Throttle : public AudioOutput {
     int64_t durationUsEff = micros() - start_time;
     int64_t durationUsToBe = (sum_samples * 1000000) / info.sample_rate;
     int64_t waitUs = durationUsToBe - durationUsEff + info.correction_us;
-    LOGI("wait: %d", waitUs);
+    LOGI("wait: %d", (int)waitUs);
     if (waitUs > 0) {
       delayMicroseconds(waitUs);
     }
diff --git a/src/AudioTools/VolumeStream.h b/src/AudioTools/VolumeStream.h
index 875eae5525..8f96807ba1 100644
--- a/src/AudioTools/VolumeStream.h
+++ b/src/AudioTools/VolumeStream.h
@@ -135,7 +135,7 @@ class VolumeStream : public AudioStream {
 
         /// Writes raw PCM audio data, which will be the input for the volume control 
         virtual size_t write(const uint8_t *buffer, size_t size) override {
-            LOGD("VolumeStream::write: %d", size);
+            LOGD("VolumeStream::write: %zu", size);
             if (buffer==nullptr || p_out==nullptr){
                 LOGE("NPE");
                 return 0;