diff --git a/Src/OSD/SDL/Main.cpp b/Src/OSD/SDL/Main.cpp
index 4a07187..239ecd8 100644
--- a/Src/OSD/SDL/Main.cpp
+++ b/Src/OSD/SDL/Main.cpp
@@ -201,12 +201,14 @@ static void SetFullScreenRefreshRate()
                 return;
             }
 
-            if (SDL_BITSPERPIXEL(mode.format) >= 24 && mode.refresh_rate == 58 && mode.w == totalXRes && mode.h == totalYRes) {
-                int result = SDL_SetWindowDisplayMode(s_window, &mode);
-                if (result == 0) {
-                    printf("Custom fullscreen mode set: %ix%i@57.524 Hz\n", mode.w, mode.h);
+            if (SDL_BITSPERPIXEL(mode.format) >= 24 && mode.w == totalXRes && mode.h == totalYRes) {
+                if (mode.refresh_rate == 57 || mode.refresh_rate == 58) {       // nvidia is fairly flexible in what refresh rate windows will show, so we can match either 57 or 58,
+                    int result = SDL_SetWindowDisplayMode(s_window, &mode);     // both are totally non standard frequencies and shouldn't be set incorrectly
+                    if (result == 0) {
+                        printf("Custom fullscreen mode set: %ix%i@57.524 Hz\n", mode.w, mode.h);
+                    }
+                    break;
                 }
-                break;
             }
         }
     }