diff --git a/include/SFML/Window/Keyboard.hpp b/include/SFML/Window/Keyboard.hpp
index 9077ce1c6..df07844d8 100644
--- a/include/SFML/Window/Keyboard.hpp
+++ b/include/SFML/Window/Keyboard.hpp
@@ -159,7 +159,7 @@ enum class Key
 ///
 ////////////////////////////////////////////////////////////
 // NOLINTNEXTLINE(readability-identifier-naming)
-static constexpr unsigned int KeyCount{static_cast<unsigned int>(Key::Pause) + 1};
+inline constexpr unsigned int KeyCount{static_cast<unsigned int>(Key::Pause) + 1};
 
 ////////////////////////////////////////////////////////////
 /// \brief Scancodes
@@ -333,7 +333,7 @@ using Scancode = Scan;
 ///
 ////////////////////////////////////////////////////////////
 // NOLINTNEXTLINE(readability-identifier-naming)
-static constexpr unsigned int ScancodeCount{static_cast<unsigned int>(Scan::LaunchMediaSelect) + 1};
+inline constexpr unsigned int ScancodeCount{static_cast<unsigned int>(Scan::LaunchMediaSelect) + 1};
 
 ////////////////////////////////////////////////////////////
 /// \brief Check if a key is pressed