diff --git a/src/librp2350_i2s_audio.h b/src/librp2350_i2s_audio.h
index 1099121..be974fa 100644
--- a/src/librp2350_i2s_audio.h
+++ b/src/librp2350_i2s_audio.h
@@ -32,7 +32,7 @@
  */
 
 
-#if (defined ARDUINO_RASPBERRY_PI_PICO) || (defined ARDUINO_GENERIC_RP2040)
+#if (defined ARDUINO_ARCH_RP2040) && (!defined __ARM_FEATURE_DSP)
 #define rp2350_i2s_init(...)    rp2040_i2s_init(__VA_ARGS__)
 #define rp2350_i2s_write_stereo_samples_buff(...)   rp2040_i2s_write_stereo_samples_buff(__VA_ARGS__)
 #endif
@@ -40,4 +40,4 @@
 
 void rp2350_i2s_init(int data_pin, int clock_base_pin);
 void rp2350_i2s_write_stereo_samples_buff(const float *in_l, const float *in_r, uint32_t sample_count);
-void rp2350_i2s_write_stereo_samples_buff(const int16_t *in_l, const int16_t *in_r, uint32_t sample_count);
\ No newline at end of file
+void rp2350_i2s_write_stereo_samples_buff(const int16_t *in_l, const int16_t *in_r, uint32_t sample_count);