diff --git a/platformio.ini b/platformio.ini
index b8ac24da..71fb8d5e 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -59,8 +59,8 @@ default_envs =
   wemos_shield_esp32_16MB_SPM1423_XL
   wemos_shield_esp32_16MB_LineIn_M
   esp32_pico_4MB_M
-  esp32_4MB_PSRAM_S 
-  esp32S3_8MB_M
+  esp32_4MB_PSRAM_S
+  ; esp32S3_8MB_M ;; disabled as github action build has strange problems with this one since today
   ;; esp32s2_tinyUF2_PSRAM_S  ;; experimental - only for adafruit -S2 boards with tinyUF2 bootloader !!!
   ; esp32s2_PSRAM_M          ;; experimental - disabled as github action build has strange problems with this one since today
   ; esp32c3dev_4MB_M         ;; experimental - disabled as github action build has strange problems with this one since today