diff --git a/src/sdl/rect.cpp b/src/sdl/rect.cpp
index 109d912b8de1..a51a2bcfeefe 100644
--- a/src/sdl/rect.cpp
+++ b/src/sdl/rect.cpp
@@ -112,15 +112,15 @@ void draw_solid_tinted_rectangle(int x, int y, int w, int h,
 
 
 #if SDL_VERSION_ATLEAST(2,0,0)
-void fill_rect(SDL_Renderer *rnd, SDL_Rect *rect, Uint8 r, Uint8 g, Uint8 b,
-			   Uint8 a)
+void fill_rect(SDL_Renderer *rnd, const SDL_Rect *rect, Uint8 r, Uint8 g,
+			   Uint8 b, Uint8 a)
 {
 	SDL_SetRenderDrawColor(rnd, r, g, b, a);
 	SDL_RenderFillRect(rnd, rect);
 }
 
-void draw_rect(SDL_Renderer *rnd, SDL_Rect *rect, Uint8 r, Uint8 g, Uint8 b,
-			   Uint8 a)
+void draw_rect(SDL_Renderer *rnd, const SDL_Rect *rect, Uint8 r, Uint8 g,
+			   Uint8 b, Uint8 a)
 {
 	SDL_SetRenderDrawColor(rnd, r, g, b, a);
 	SDL_RenderDrawRect(rnd, rect);
diff --git a/src/sdl/rect.hpp b/src/sdl/rect.hpp
index 913ac10c7c80..b3db68fd1551 100644
--- a/src/sdl/rect.hpp
+++ b/src/sdl/rect.hpp
@@ -142,10 +142,10 @@ inline void fill_rect(surface& dst, SDL_Rect* dst_rect, const Uint32 color)
 }
 
 #if SDL_VERSION_ATLEAST(2,0,0)
-void fill_rect(SDL_Renderer &rnd, const SDL_Rect *rect, Uint8 r, Uint8 g,
+void fill_rect(SDL_Renderer *rnd, const SDL_Rect *rect, Uint8 r, Uint8 g,
 			   Uint8 b, Uint8 a);
 
-void draw_rect(SDL_Renderer &rnd, const SDL_Rect *rect, Uint8 r, Uint8 g,
+void draw_rect(SDL_Renderer *rnd, const SDL_Rect *rect, Uint8 r, Uint8 g,
 			   Uint8 b, Uint8 a);
 #endif
 } // namespace sdl