diff --git a/MUNGA_L4/L4VB16.cpp b/MUNGA_L4/L4VB16.cpp
index 5d27a5e..fc19932 100644
--- a/MUNGA_L4/L4VB16.cpp
+++ b/MUNGA_L4/L4VB16.cpp
@@ -3895,11 +3895,16 @@ SVGA16::SVGA16(
 			"MFD lower right", init_width, init_height,
 			cell_w, cell_h, grid_x + 2 * (cell_w + frame_w), row2_y,
 			MFDSplitView::MFDStrips, 0x07);
-		// map is portrait: source rotated 90 degrees clockwise
+		// map is portrait: source rotated 90 degrees clockwise; shift left
+		// by one side-button column so the GLASS (not the window) centers
+		// under the upper-center MFD
+		int map_col_w = cell_h / 8;
+		if (map_col_w < 20)	map_col_w = 20;
+		if (map_col_w > 40)	map_col_w = 40;
 		splitView[SplitMap] = new MFDSplitView(
 			"Map", init_height, init_width,
 			cell_h, cell_w,
-			grid_x + (cell_w + frame_w) + (cell_w - cell_h) / 2, row2_y,
+			grid_x + (cell_w + frame_w) + (cell_w - cell_h) / 2 - (map_col_w + 8), row2_y,
 			MFDSplitView::SideColumns, 0x10, 0x18);
 
 		DEBUG_STREAM << "SVGA16: split views active - 5 MFD windows + rotated map, cockpit buttons on (scale "