diff --git a/usermods/audioreactive/audio_source.h b/usermods/audioreactive/audio_source.h
index c2e67c2be5..27bc3743e6 100644
--- a/usermods/audioreactive/audio_source.h
+++ b/usermods/audioreactive/audio_source.h
@@ -97,12 +97,14 @@
 #ifdef I2S_USE_RIGHT_CHANNEL
 #define I2S_MIC_CHANNEL I2S_CHANNEL_FMT_ONLY_RIGHT
 #define I2S_MIC_CHANNEL_TEXT "right channel only."
+#define I2S_PDM_MIC_CHANNEL I2S_CHANNEL_FMT_ALL_RIGHT
+#define I2S_PDM_MIC_CHANNEL_TEXT "right channel (ALL_RIGHT for PDM compat)."
 #else
 #define I2S_MIC_CHANNEL I2S_CHANNEL_FMT_ONLY_LEFT
 #define I2S_MIC_CHANNEL_TEXT "left channel only."
+#define I2S_PDM_MIC_CHANNEL I2S_CHANNEL_FMT_ALL_LEFT
+#define I2S_PDM_MIC_CHANNEL_TEXT "left channel (ALL_LEFT for PDM compat)."
 #endif
-#define I2S_PDM_MIC_CHANNEL I2S_MIC_CHANNEL
-#define I2S_PDM_MIC_CHANNEL_TEXT I2S_MIC_CHANNEL_TEXT
 
 #endif
 
@@ -294,11 +296,13 @@ class I2SSource : public AudioSource {
       }
 
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 2, 0)
-      err = i2s_set_clk(I2S_NUM_0, _sampleRate, I2S_SAMPLE_RESOLUTION, I2S_CHANNEL_MONO);  // set bit clocks. Also takes care of MCLK routing if needed.
-      if (err != ESP_OK) {
-        DEBUGSR_PRINTF("AR: Failed to configure i2s clocks: %d\n", err);
-        i2s_driver_uninstall(I2S_NUM_0);  // uninstall already-installed driver
-        return;
+      if (!(_config.mode & I2S_MODE_PDM)) {
+        err = i2s_set_clk(I2S_NUM_0, _sampleRate, I2S_SAMPLE_RESOLUTION, I2S_CHANNEL_MONO);  // set bit clocks. Also takes care of MCLK routing if needed.
+        if (err != ESP_OK) {
+          DEBUGSR_PRINTF("AR: Failed to configure i2s clocks: %d\n", err);
+          i2s_driver_uninstall(I2S_NUM_0);  // uninstall already-installed driver
+          return;
+        }
       }
 #endif
       _initialized = true;