diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index 5bf42daadd..491b766d18 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -807,6 +807,9 @@ void proteusHarley() {
 	strcpy(engineConfiguration->scriptSettingName[1], "compReleaseDur");
 	engineConfiguration->scriptSetting[1] = 5000;
 
+	// for now we need non wired camInput to keep TS field enable/disable logic happy
+	engineConfiguration->camInputs[0] = PROTEUS_DIGITAL_6;
+	engineConfiguration->vvtMode[0] = VVT_MAP_V_TWIN;
 
 	engineConfiguration->luaOutputPins[0] = PROTEUS_LS_12;
 #if HW_PROTEUS