diff --git a/src/posix/cocoa/i_video.mm b/src/posix/cocoa/i_video.mm
index 29e6bf4d4b..410a106f50 100644
--- a/src/posix/cocoa/i_video.mm
+++ b/src/posix/cocoa/i_video.mm
@@ -339,6 +339,7 @@ VideoModes[] =
 	{ 1600,  900 },	// 16:9
 	{ 1600, 1000 },	// 16:10
 	{ 1600, 1200 },
+	{ 1680, 1050 },	// 16:10
 	{ 1920, 1080 },
 	{ 1920, 1200 },
 	{ 2048, 1536 },
diff --git a/src/posix/sdl/sdlvideo.cpp b/src/posix/sdl/sdlvideo.cpp
index 76191e1a92..9da52c2dd3 100644
--- a/src/posix/sdl/sdlvideo.cpp
+++ b/src/posix/sdl/sdlvideo.cpp
@@ -178,6 +178,7 @@ static MiniModeInfo WinModes[] =
 	{ 1600, 900 },	// 16:9
 	{ 1600, 1000 },	// 16:10
 	{ 1600, 1200 },
+	{ 1680, 1050 },	// 16:10
 	{ 1920, 1080 },
 	{ 1920, 1200 },
 	{ 2048, 1536 },