diff --git a/src/KingSystem/Physics/System/physCollisionInfo.h b/src/KingSystem/Physics/System/physCollisionInfo.h
index 5f6e0694..ac4384a7 100644
--- a/src/KingSystem/Physics/System/physCollisionInfo.h
+++ b/src/KingSystem/Physics/System/physCollisionInfo.h
@@ -74,12 +74,12 @@ inline void CollisionInfoBase::enableLayer(ContactLayer layer) {
 }
 
 inline void CollisionInfoBase::disableLayer(ContactLayer layer) {
-    getLayerMask(getContactLayerType(layer)).resetBit(int(getContactLayerBaseRelativeValue(layer)));
+    getLayerMask(getContactLayerType(layer)).resetBit(getContactLayerBaseRelativeValue(layer));
 }
 
 inline bool CollisionInfoBase::isLayerEnabled(ContactLayer layer) const {
     const auto& mask = getLayerMask(getContactLayerType(layer));
-    return mask.isOnBit(int(getContactLayerBaseRelativeValue(layer)));
+    return mask.isOnBit(getContactLayerBaseRelativeValue(layer));
 }
 
 inline void CollisionInfoBase::lock() {
diff --git a/src/KingSystem/Physics/System/physContactPointInfo.h b/src/KingSystem/Physics/System/physContactPointInfo.h
index 2d6a2445..450a2de0 100644
--- a/src/KingSystem/Physics/System/physContactPointInfo.h
+++ b/src/KingSystem/Physics/System/physContactPointInfo.h
@@ -41,13 +41,13 @@ public:
 
     bool isLayerSubscribed(ContactLayer layer) const {
         const auto type = getContactLayerType(layer);
-        return mSubscribedLayers[int(type)].isOnBit(int(getContactLayerBaseRelativeValue(layer)));
+        return mSubscribedLayers[int(type)].isOnBit(getContactLayerBaseRelativeValue(layer));
     }
 
     // TODO: rename
     bool isLayerInMask2(ContactLayer layer) const {
         const auto type = getContactLayerType(layer);
-        return mLayerMask2[int(type)].isOnBit(int(getContactLayerBaseRelativeValue(layer)));
+        return mLayerMask2[int(type)].isOnBit(getContactLayerBaseRelativeValue(layer));
     }
 
     void setLayerMasks(const LayerMaskBuilder& builder) {
diff --git a/src/KingSystem/Physics/physDefines.cpp b/src/KingSystem/Physics/physDefines.cpp
index a9d50e1d..079b5c72 100644
--- a/src/KingSystem/Physics/physDefines.cpp
+++ b/src/KingSystem/Physics/physDefines.cpp
@@ -20,7 +20,7 @@ u32 getContactLayerBase(ContactLayerType type) {
     return FirstSensor;
 }
 
-u32 getContactLayerBaseRelativeValue(ContactLayer layer) {
+int getContactLayerBaseRelativeValue(ContactLayer layer) {
     return layer - (layer < FirstSensor ? FirstEntity : FirstSensor);
 }
 
diff --git a/src/KingSystem/Physics/physDefines.h b/src/KingSystem/Physics/physDefines.h
index 565600ed..d9ba068c 100644
--- a/src/KingSystem/Physics/physDefines.h
+++ b/src/KingSystem/Physics/physDefines.h
@@ -378,7 +378,7 @@ union SensorQueryCollisionMask {
 ContactLayerType getContactLayerType(ContactLayer layer);
 u32 makeContactLayerMask(ContactLayer layer);
 u32 getContactLayerBase(ContactLayerType type);
-u32 getContactLayerBaseRelativeValue(ContactLayer layer);
+int getContactLayerBaseRelativeValue(ContactLayer layer);
 const char* contactLayerToText(ContactLayer layer);
 ContactLayer contactLayerFromText(const sead::SafeString& text);