diff --git a/src/platformio.ini b/src/platformio.ini
index 0a17faff..1e61dda1 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -113,6 +113,7 @@ monitor_filters =
 platform = espressif32@6.3.2
 board = lolin_s2_mini
 build_flags = ${env.build_flags}
+    -DUSE_HSPI_FOR_EPD
     -DDEF_NRF_CS_PIN=12
     -DDEF_NRF_CE_PIN=3
     -DDEF_NRF_IRQ_PIN=5