diff --git a/firmware/config/boards/proteus/board.mk b/firmware/config/boards/proteus/board.mk
index 253de56175..100e846baf 100644
--- a/firmware/config/boards/proteus/board.mk
+++ b/firmware/config/boards/proteus/board.mk
@@ -55,7 +55,7 @@ ifeq ($(PROJECT_CPU),ARCH_STM32F7)
 	DDEFS += -DLUA_RX_MAX_FILTER_COUNT=96
 	DDEFS += -DSTATIC_BOARD_ID=STATIC_BOARD_ID_PROTEUS_F7
 
-  DDEFS += -DLUA_USER_HEAP=92000
+  DDEFS += -DLUA_USER_HEAP=99000
 
 	ifeq ($(EFI_LUA_LOOKUP),)
     EFI_LUA_LOOKUP = TRUE