diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index cb0482d7..bc3097f4 100644
--- a/tmk_core/chibios.mk
+++ b/tmk_core/chibios.mk
@@ -6,7 +6,7 @@
 # Stack size to be allocated to the Cortex-M process stack. This stack is
 # the stack used by the main() thread.
 ifeq ($(USE_PROCESS_STACKSIZE),)
-  USE_PROCESS_STACKSIZE = 0x200
+  USE_PROCESS_STACKSIZE = 0x800
 endif
 
 # Stack size to the allocated to the Cortex-M main/exceptions stack. This