diff --git a/src/m_misc.c b/src/m_misc.c
index a4f53c71..80c58d64 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -1531,6 +1531,10 @@ boolean M_ScreenshotResponder(event_t *ev)
 		return false;
 
 	ch = ev->data1;
+
+	if (ch >= KEY_MOUSE1 && menuactive) // If it's not a keyboard key, then don't allow it in the menus!
+		return false;
+
 	if (ch == KEY_F8 || ch == gamecontrol[gc_screenshot][0] || ch == gamecontrol[gc_screenshot][1]) // remappable F8
 		M_ScreenShot();
 	else if (ch == KEY_F9 || ch == gamecontrol[gc_recordgif][0] || ch == gamecontrol[gc_recordgif][1]) // remappable F9
diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index 2c199c2d..dad3b941 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -200,7 +200,10 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
 			}
 			// Reposition window only in windowed mode
 			SDL_SetWindowSize(window, width, height);
-			SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+			SDL_SetWindowPosition(window,
+				SDL_WINDOWPOS_CENTERED_DISPLAY(SDL_GetWindowDisplayIndex(window)),
+				SDL_WINDOWPOS_CENTERED_DISPLAY(SDL_GetWindowDisplayIndex(window))
+			);
 		}
 	}
 	else