diff --git a/openVulkanoCpp/Input/InputAction.hpp b/openVulkanoCpp/Input/InputAction.hpp
index b4b1ab9..2e6038c 100644
--- a/openVulkanoCpp/Input/InputAction.hpp
+++ b/openVulkanoCpp/Input/InputAction.hpp
@@ -13,7 +13,7 @@ namespace OpenVulkano::Input
 {
 	struct KeyBinding
 	{
-		InputKey key;
+		const InputKey key;
 		float scale;
 
 		KeyBinding(InputKey keyBinding, float scaleFactor)
@@ -23,8 +23,8 @@ namespace OpenVulkano::Input
 
 	struct AxisButtonBinding
 	{
-		InputKey positive;
-		InputKey negative;
+		const InputKey positive;
+		const InputKey negative;
 		float scale;
 
 		AxisButtonBinding(InputKey pos, InputKey neg, float scaleFactor)
diff --git a/openVulkanoCpp/Input/InputKey.hpp b/openVulkanoCpp/Input/InputKey.hpp
index d74df4c..7640e4a 100644
--- a/openVulkanoCpp/Input/InputKey.hpp
+++ b/openVulkanoCpp/Input/InputKey.hpp
@@ -310,12 +310,12 @@ namespace OpenVulkano::Input
 
 		[[nodiscard]] int16_t GetInputKey() const { return key; }
 
-		bool operator==(const InputKey& other)
+		bool operator==(const InputKey& other) const
 		{
 			return deviceType == other.deviceType && type == other.type && key == other.key;
 		}
 
-		bool operator!=(const InputKey& other)
+		bool operator!=(const InputKey& other) const
 		{
 			return !(*this == other);
 		}