diff --git a/addons/vehicles/XEH_postInit.sqf b/addons/vehicles/XEH_postInit.sqf
index 23b1a2b226..0c27fcaf3d 100644
--- a/addons/vehicles/XEH_postInit.sqf
+++ b/addons/vehicles/XEH_postInit.sqf
@@ -39,6 +39,7 @@ GVAR(isSpeedLimiter) = false;
 ["ACE3 Vehicles", QGVAR(scrollUp), localize LSTRING(IncreaseSpeedLimit), {
     if (GVAR(isSpeedLimiter)) then {
         GVAR(speedLimit) = round (GVAR(speedLimit) + GVAR(speedLimiterStep)) max (5 max GVAR(speedLimiterStep));
+        GVAR(speedLimit) = 5 max GVAR(speedLimiterStep) * floor (GVAR(speedLimit) / GVAR(speedLimiterStep));
         [["%1: %2", LSTRING(SpeedLimit), GVAR(speedLimit)]] call EFUNC(common,displayTextStructured);
         true
     };
@@ -47,6 +48,7 @@ GVAR(isSpeedLimiter) = false;
 ["ACE3 Vehicles", QGVAR(scrollDown), localize LSTRING(DecreaseSpeedLimit), {
     if (GVAR(isSpeedLimiter)) then {
         GVAR(speedLimit) = round (GVAR(speedLimit) - GVAR(speedLimiterStep)) max (5 max GVAR(speedLimiterStep));
+        GVAR(speedLimit) = 5 max GVAR(speedLimiterStep) * ceil (GVAR(speedLimit) / GVAR(speedLimiterStep));
         [["%1: %2", LSTRING(SpeedLimit), GVAR(speedLimit)]] call EFUNC(common,displayTextStructured);
         true
     };
diff --git a/addons/vehicles/initSettings.sqf b/addons/vehicles/initSettings.sqf
index 500cd8d852..eb15ea346f 100644
--- a/addons/vehicles/initSettings.sqf
+++ b/addons/vehicles/initSettings.sqf
@@ -25,5 +25,5 @@
     "SLIDER",
     LSTRING(SpeedLimiterStep),
     ELSTRING(common,ACEKeybindCategoryVehicles),
-    [1, 10, 5, 0]
+    [1, 10, 5, -1] // whole numbers only
 ] call CBA_fnc_addSetting;