diff --git a/src/main.cpp b/src/main.cpp
index 706b4a6fa..81c842b99 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -684,7 +684,7 @@ void setup()
     // ESP32
     SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_CS);
     LOG_DEBUG("SPI.begin(SCK=%d, MISO=%d, MOSI=%d, NSS=%d)\n", LORA_SCK, LORA_MISO, LORA_MOSI, LORA_CS);
-    SPI.setFrequency(4000000);
+    SPI.setFrequency(1000000);
 #endif
 
 #if HAS_TFT