diff --git a/libretro/libretro.cpp b/libretro/libretro.cpp
index 4087ea4..014b0a0 100644
--- a/libretro/libretro.cpp
+++ b/libretro/libretro.cpp
@@ -405,11 +405,21 @@ double get_aspect_ratio(void)
   double aspect_ratio = is_pal ? NES_PAL_PAR : NES_NTSC_PAR;
 
   if (aspect_ratio_mode == 1)
+  {
     aspect_ratio = NES_NTSC_PAR;
+  }
   else if (aspect_ratio_mode == 2)
+  {
     aspect_ratio = NES_PAL_PAR;
+  }
   else if (aspect_ratio_mode == 3)
+  {
     aspect_ratio = NES_4_3_DAR;
+  }
+  else if (aspect_ratio_mode == 4)
+  {
+    aspect_ratio = 0;
+  }
     
   return aspect_ratio;
 }
@@ -1076,6 +1086,8 @@ static void check_variables(void)
        aspect_ratio_mode = 2;
      else if (!strcmp(var.value, "4:3"))
        aspect_ratio_mode = 3;
+     else if (!strcmp(var.value, "uncorrected"))
+       aspect_ratio_mode = 4;
      else
        aspect_ratio_mode = 0;
    }
diff --git a/libretro/libretro_core_options.h b/libretro/libretro_core_options.h
index 635944c..652f58f 100644
--- a/libretro/libretro_core_options.h
+++ b/libretro/libretro_core_options.h
@@ -209,10 +209,11 @@ struct retro_core_option_v2_definition option_defs_us[] = {
       NULL,
       "video",
       {
-         { "auto", "Auto" },
-         { "ntsc", "NTSC" },
-         { "pal",  "PAL" },
-         { "4:3",  "4:3" },
+         { "auto",        "Auto" },
+         { "ntsc",        "NTSC" },
+         { "pal",         "PAL" },
+         { "4:3",         "4:3" },
+         { "uncorrected", "Uncorrected" },
          { NULL, NULL },
       },
       "auto"