diff --git a/firmware/controllers/lua/can_filter.cpp b/firmware/controllers/lua/can_filter.cpp
index 125fb78212..2970fba75a 100644
--- a/firmware/controllers/lua/can_filter.cpp
+++ b/firmware/controllers/lua/can_filter.cpp
@@ -3,8 +3,8 @@
 
 static constexpr size_t maxFilterCount = 48;
 
-size_t filterCount = 0;
-CanFilter filters[maxFilterCount];
+static size_t filterCount = 0;
+static CanFilter filters[maxFilterCount];
 
 CanFilter* getFilterForId(size_t busIndex, int Id) {
 	for (size_t i = 0; i < filterCount; i++) {