diff --git a/src/daisy_patch_sm.cpp b/src/daisy_patch_sm.cpp
index f56b8eca9..cfcbf0438 100644
--- a/src/daisy_patch_sm.cpp
+++ b/src/daisy_patch_sm.cpp
@@ -181,7 +181,7 @@ namespace patch_sm
         dac_config.bitdepth = DacHandle::BitDepth::
             BITS_12; /**< Sets the output value to 0-4095 */
         dac_config.chn               = DacHandle::Channel::BOTH;
-        dac_config.buff_state        = DacHandle::BufferState::ENABLED;
+        dac_config.buff_state        = DacHandle::BufferState::DISABLED;    //  Internal buffer disabled on Patch_SM
         dac_config.target_samplerate = 48000;
         dac_.Init(dac_config);
     }
@@ -546,4 +546,4 @@ namespace patch_sm
 
 } // namespace patch_sm
 
-} // namespace daisy
\ No newline at end of file
+} // namespace daisy