diff --git a/platformio_tasmota_env32.ini b/platformio_tasmota_env32.ini
index aa5436e7e..2d50a886f 100644
--- a/platformio_tasmota_env32.ini
+++ b/platformio_tasmota_env32.ini
@@ -49,6 +49,7 @@ build_flags             = ${env:tasmota32_base.build_flags} -DFIRMWARE_TASMOTA32
 
 [env:tasmota32solo1]
 extends                 = env:tasmota32_base
+platform                = ${core32solo1.platform}
 platform_packages       = ${core32solo1.platform_packages}
 build_flags             = ${env:tasmota32_base.build_flags} -DFIRMWARE_TASMOTA32