diff --git a/libraries/SrcWrapper/src/stm32/analog.cpp b/libraries/SrcWrapper/src/stm32/analog.cpp
index 356643eb81..58b8f809cc 100644
--- a/libraries/SrcWrapper/src/stm32/analog.cpp
+++ b/libraries/SrcWrapper/src/stm32/analog.cpp
@@ -409,7 +409,11 @@ void dac_write_value(PinName pin, uint32_t value, uint8_t do_init)
}
dacChannelConf.DAC_Trigger = DAC_TRIGGER_NONE;
+#if defined(DISABLE_DAC_OUTPUTBUFFER)
+ dacChannelConf.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE;
+#else
dacChannelConf.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
+#endif
#if defined(DAC_OUTPUTSWITCH_ENABLE)
dacChannelConf.DAC_OutputSwitch = DAC_OUTPUTSWITCH_ENABLE;
#endif
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