diff --git a/src/osdep/amiberry_gfx.cpp b/src/osdep/amiberry_gfx.cpp
index 6c2defd0..cb30db6e 100644
--- a/src/osdep/amiberry_gfx.cpp
+++ b/src/osdep/amiberry_gfx.cpp
@@ -357,7 +357,7 @@ int graphics_setup(void)
 			800,
 			480,
 			sdl_window_mode);
-		check_error_sdl(sdl_window == nullptr, "Unable to create window");		
+		check_error_sdl(sdl_window == nullptr, "Unable to create window:");		
 	}
 	
 	if (SDL_GetWindowDisplayMode(sdl_window, &sdlMode) != 0)
@@ -377,7 +377,7 @@ int graphics_setup(void)
 	if (renderer == nullptr)
 	{
 		renderer = SDL_CreateRenderer(sdl_window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
-		check_error_sdl(renderer == nullptr, "Unable to create a renderer");
+		check_error_sdl(renderer == nullptr, "Unable to create a renderer:");
 	}
 	
 	if (SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1") != SDL_TRUE)
diff --git a/src/osdep/gui/main_window.cpp b/src/osdep/gui/main_window.cpp
index 5d83adc6..1aa5d21d 100644
--- a/src/osdep/gui/main_window.cpp
+++ b/src/osdep/gui/main_window.cpp
@@ -311,7 +311,7 @@ void amiberry_gui_init()
 	//-------------------------------------------------
 	if (!gui_screen)
 		gui_screen = SDL_CreateRGBSurface(0, GUI_WIDTH, GUI_HEIGHT, 16, 0, 0, 0, 0);
-	check_error_sdl(gui_screen == nullptr, "Unable to create GUI surface");
+	check_error_sdl(gui_screen == nullptr, "Unable to create GUI surface:");
 
 #ifdef USE_DISPMANX
 	displayHandle = vc_dispmanx_display_open(0);
@@ -395,7 +395,7 @@ void amiberry_gui_init()
 	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
 
 	gui_texture = SDL_CreateTexture(renderer, gui_screen->format->format, SDL_TEXTUREACCESS_STREAMING, gui_screen->w, gui_screen->h);
-	check_error_sdl(gui_texture == nullptr, "Unable to create GUI texture");
+	check_error_sdl(gui_texture == nullptr, "Unable to create GUI texture:");
 #endif
 	SDL_RenderSetLogicalSize(renderer, GUI_WIDTH, GUI_HEIGHT);
 	SDL_ShowCursor(SDL_ENABLE);