diff --git a/firmware/controllers/algo/engine.cpp b/firmware/controllers/algo/engine.cpp
index 1e293a116e..64b504a2df 100644
--- a/firmware/controllers/algo/engine.cpp
+++ b/firmware/controllers/algo/engine.cpp
@@ -31,7 +31,7 @@ static LoggingWithStorage logger("engine");
 
 extern engine_pins_s enginePins;
 extern fuel_Map3D_t veMap;
-extern fuel_Map3D_t afrMap;
+extern afr_Map3D_t afrMap;
 
 EXTERN_ENGINE
 ;