diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index d21edb1c6..645b65e84 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -639,11 +639,14 @@ static void Impl_HandleKeyboardEvent(SDL_KeyboardEvent evt, Uint32 type)
 
 static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
 {
+	static boolean firstmove = true;
+
 	if (USE_MOUSEINPUT)
 	{
-		if ((SDL_GetMouseFocus() != window && SDL_GetKeyboardFocus() != window) || IGNORE_MOUSE)
+		if ((SDL_GetMouseFocus() != window && SDL_GetKeyboardFocus() != window) || (IGNORE_MOUSE && !firstmove))
 		{
 			SDLdoUngrabMouse();
+			firstmove = false;
 			return;
 		}
 
@@ -657,6 +660,7 @@ static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
 				mousemovey += -evt.yrel;
 				SDL_SetWindowGrab(window, SDL_TRUE);
 			}
+			firstmove = false;
 			return;
 		}
 
@@ -664,6 +668,7 @@ static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
 		// of the screen then ignore it.
 		if ((evt.x == realwidth/2) && (evt.y == realheight/2))
 		{
+			firstmove = false;
 			return;
 		}
 
@@ -676,6 +681,8 @@ static void Impl_HandleMouseMotionEvent(SDL_MouseMotionEvent evt)
 			SDLdoGrabMouse();
 		}
 	}
+
+	firstmove = false;
 }
 
 static void Impl_HandleMouseButtonEvent(SDL_MouseButtonEvent evt, Uint32 type)