diff --git a/variants/mesh-tab/platformio.ini b/variants/mesh-tab/platformio.ini
index 26b072cde..a1007a7f4 100644
--- a/variants/mesh-tab/platformio.ini
+++ b/variants/mesh-tab/platformio.ini
@@ -178,7 +178,7 @@ build_flags = ${mesh_tab_base.build_flags}
   -D LGFX_TOUCH_Y_MIN=0
   -D LGFX_TOUCH_Y_MAX=479
   -D LGFX_TOUCH_ROTATION=0
-  -D LGFX_TOUCH_I2C_FREQ=1000000
+  -D LGFX_TOUCH_I2C_FREQ=400000
 
 ; 3.5" IPS TFT ILI9488 / FT6236: https://vi.aliexpress.com/item/1005006893699919.html
 [env:mesh-tab-3-5-IPS-capacitive]
@@ -204,7 +204,7 @@ build_flags = ${mesh_tab_base.build_flags}
   -D LGFX_TOUCH_Y_MIN=0
   -D LGFX_TOUCH_Y_MAX=479
   -D LGFX_TOUCH_ROTATION=1
-  -D LGFX_TOUCH_I2C_FREQ=1000000
+  -D LGFX_TOUCH_I2C_FREQ=400000
 
 ; 4.0" IPS TFT ILI9488 / FT6236: https://vi.aliexpress.com/item/1005007082906950.html
 [env:mesh-tab-4-0-IPS-capacitive]
@@ -230,4 +230,4 @@ build_flags = ${mesh_tab_base.build_flags}
   -D LGFX_TOUCH_Y_MIN=0
   -D LGFX_TOUCH_Y_MAX=479
   -D LGFX_TOUCH_ROTATION=1
-  -D LGFX_TOUCH_I2C_FREQ=1000000
\ No newline at end of file
+  -D LGFX_TOUCH_I2C_FREQ=400000
\ No newline at end of file