diff --git a/platformio_override.ini b/platformio_override.ini
index eaac8cfea..feefeb328 100644
--- a/platformio_override.ini
+++ b/platformio_override.ini
@@ -23,6 +23,7 @@ lib_deps = ${esp32_idf_V4.lib_deps}
 
 monitor_filters = esp32_exception_decoder
 board_build.partitions = ${esp32.default_partitions}
+board_build.flash_mode = dio
 
 
 [env:adafruit_matrixportal_esp32s3]
diff --git a/platformio_override.sample.ini b/platformio_override.sample.ini
index 6a60b6ba9..bb8de8ff8 100644
--- a/platformio_override.sample.ini
+++ b/platformio_override.sample.ini
@@ -599,6 +599,7 @@ lib_deps = ${esp32_idf_V4.lib_deps}
 
 monitor_filters = esp32_exception_decoder
 board_build.partitions = ${esp32.default_partitions}
+board_build.flash_mode = dio
 
 
 [env:adafruit_matrixportal_esp32s3]