diff --git a/src/modules/idler.cpp b/src/modules/idler.cpp
index 64c67fa..1539a3d 100644
--- a/src/modules/idler.cpp
+++ b/src/modules/idler.cpp
@@ -39,7 +39,7 @@ void Idler::PlanHomingMoveBack() {
 bool Idler::FinishHomingAndPlanMoveToParkPos() {
     // check the axis' length
     if (AxisDistance(mm::axisUnitToTruncatedUnit<config::U_deg>(mm::motion.CurPosition<mm::Idler>()))
-        < (config::idlerLimits.lenght.v - 10)) { //@@TODO is 10 degrees ok?
+        < uint16_t(config::idlerLimits.lenght.v - 10)) { //@@TODO is 10 degrees ok?
         return false; // we couldn't home correctly, we cannot set the Idler's position
     }
 
diff --git a/src/modules/selector.cpp b/src/modules/selector.cpp
index 2e1ebad..56514da 100644
--- a/src/modules/selector.cpp
+++ b/src/modules/selector.cpp
@@ -35,7 +35,7 @@ void Selector::PlanHomingMoveBack() {
 
 bool Selector::FinishHomingAndPlanMoveToParkPos() {
     // check the axis' length
-    if (AxisDistance(mm::axisUnitToTruncatedUnit<config::U_mm>(mm::motion.CurPosition<mm::Selector>())) < (config::selectorLimits.lenght.v - 3)) { //@@TODO is 3mm ok?
+    if (AxisDistance(mm::axisUnitToTruncatedUnit<config::U_mm>(mm::motion.CurPosition<mm::Selector>())) < uint16_t(config::selectorLimits.lenght.v - 3)) { //@@TODO is 3mm ok?
         return false; // we couldn't home correctly, we cannot set the Selector's position
     }