diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 718c27250e..5ee12dddb9 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -792,7 +792,7 @@ void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_SUFFIX)
 #define RAM_UNUSED_SIZE 7400
 #endif
 #ifndef CCM_UNUSED_SIZE
-#define CCM_UNUSED_SIZE 6600
+#define CCM_UNUSED_SIZE 4600
 #endif
 static char UNUSED_RAM_SIZE[RAM_UNUSED_SIZE];
 static char UNUSED_CCM_SIZE[CCM_UNUSED_SIZE] CCM_OPTIONAL;