Index: tab.c
===================================================================
--- tab.c	(Revision 3581)
+++ tab.c	(Arbeitskopie)
@@ -1277,7 +1277,7 @@
  *
  */
 static void 
-groupRecalcSlotPos(GroupTabBarSlot *slot, int slotPos)
+groupRecalcSlotPos(GroupTabBarSlot *slot, int slotPos, float scale)
 {
 	GROUP_WINDOW (slot->window);
 	GROUP_SCREEN (slot->window->screen);
@@ -1292,11 +1292,11 @@
 
 	EMPTY_REGION(slot->region);
 
-	box.x = border_width + ((thumb_size + border_width) * slotPos);
-	box.y = border_width;
+	box.x = (border_width + ((thumb_size + border_width) * slotPos)) * scale;
+	box.y = border_width * scale;
 
-	box.width = thumb_size;
-	box.height = thumb_size;
+	box.width = thumb_size * scale;
+	box.height = thumb_size * scale;
 
 	XUnionRectWithRegion(&box, slot->region, slot->region);
 
@@ -1357,6 +1357,12 @@
 	if (isDraggedSlotGroup)
 		bar_width -= border_width;  //1 tab is missing, so we have 1 less border
 
+	float scale = 1.0f;
+	if (bar_width > WIN_WIDTH(topTab))
+		scale = (float) WIN_WIDTH(topTab) / (float) bar_width;
+
+	bar_width *= scale;
+
 	if (maxX2 - minX1 < bar_width) 
 		box.x = (maxX2 + minX1)/2 - bar_width / 2;	
 	else if (middleX - bar_width/2 < minX1)
@@ -1372,7 +1378,7 @@
 
 	EMPTY_REGION(bar->region);
 	XUnionRectWithRegion(&box, bar->region, bar->region);
-	
+
 	// recalc every slot region
 	currentSlot = 0;
 	for(slot = bar->slots; slot; slot = slot->next)
@@ -1380,7 +1386,7 @@
 		if(slot == gs->draggedSlot && gs->dragged)
 			continue;
 	
-		groupRecalcSlotPos (slot, currentSlot);
+		groupRecalcSlotPos (slot, currentSlot, scale);
 		XOffsetRegion (slot->region, 
 			bar->region->extents.x1,
 			bar->region->extents.y1);