diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 92ce2f0d94..734e41a8fb 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -647,7 +647,7 @@ uint8_t autoscale knockRetardAggression;Ignition timing to remove when a knock e
 uint8_t autoscale knockRetardReapplyRate;After a knock event, reapply timing at this rate.;"deg/s", 0.1, 0, 0, 10, 1
 
 #define engineSyncCam_enum "Intake First Bank", "Exhaust First Bank", "Intake Second Bank", "Exhaust Second Bank"
-custom engineSyncCam_e 1 bits, S08, @OFFSET@, [0:2], @@engineSyncCam_enum@@
+custom engineSyncCam_e 1 bits, S08, @OFFSET@, [0:1], @@engineSyncCam_enum@@
 engineSyncCam_e engineSyncCam;Select which cam is used for engine sync. Other cams will be used only for VVT measurement, but not engine sync.
 
 	uint8_t vssFilterReciprocal;Set this so your vehicle speed signal is responsive, but not noisy. Larger value give smoother but slower response.;"", 1, 0, 2, 200, 0
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 6b7da76930..378eb615d3 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -2110,7 +2110,7 @@ cmd_set_engine_type_default					= "@@TS_IO_TEST_COMMAND_char@@@@ts_command_e_TS_
    		field = "MAP readout angle",                    mapCamDetectionAnglePosition, { vvtMode1 == @@vvt_mode_e_VVT_MAP_V_TWIN@@ }
 	    field = "Cam mode (exhaust cams)",			    vvtMode2, {trigger_type != @@trigger_type_e_TT_MAZDA_MIATA_NA@@}
 	    field = "VVT sync edge",	    				vvtCamSensorUseRise, {trigger_type != @@trigger_type_e_TT_MAZDA_MIATA_NA@@}
-		field = "Cam for engine sync resolution",		engineSyncCam
+		field = "Cam for engine sync resolution",		engineSyncCam, (vvtMode1 != @@vvt_mode_e_VVT_INACTIVE@@ || vvtMode2 != @@vvt_mode_e_VVT_INACTIVE@@ ) }
 	    field = "#Set offset so VVT indicates 0 degrees in default position"
 		field = "VVT offset bank 1 intake",				vvtOffsets1, { camInputs1 != 0 }
 		field = "VVT offset bank 1 exhaust",			vvtOffsets2, { camInputs2 != 0 }