diff --git a/firmware/config/stm32f4ems/efifeatures.h b/firmware/config/stm32f4ems/efifeatures.h
index 281d36154d..7b73f720b3 100644
--- a/firmware/config/stm32f4ems/efifeatures.h
+++ b/firmware/config/stm32f4ems/efifeatures.h
@@ -268,7 +268,7 @@
 	#define EFI_USE_COMPRESSED_INI_MSD
 	#define ENABLE_PERF_TRACE TRUE
 
-	#define LUA_USER_HEAP 25000
+	#define LUA_USER_HEAP 50000
 #else
 	// small memory F40x can't fit perf trace
 	#define ENABLE_PERF_TRACE FALSE