1 files changed, 2 insertions, 2 deletions
diff --git a/include/wrapsdl2.hpp b/include/wrapsdl2.hpp
index 847ed99..2f28890 100644
--- a/include/wrapsdl2.hpp
+++ b/include/wrapsdl2.hpp
@@ -9,11 +9,11 @@ namespace wrapsdl2 {
     void quit(void);
 
     namespace util {
-        constexpr bool sdl_bool(SDL_bool b) {
+        constexpr inline bool sdl_bool(SDL_bool b) {
             return b == SDL_TRUE;
         }
 
-        constexpr SDL_bool sdl_bool(bool b) {
+        constexpr inline SDL_bool sdl_bool(bool b) {
             return (b) ? SDL_TRUE : SDL_FALSE;
         }
     }