diff --git a/EllesmereUIChat/EllesmereUIChat_Tabs.lua b/EllesmereUIChat/EllesmereUIChat_Tabs.lua
index 0b4fdc8cd..c2f108ea1 100644
--- a/EllesmereUIChat/EllesmereUIChat_Tabs.lua
+++ b/EllesmereUIChat/EllesmereUIChat_Tabs.lua
@@ -530,6 +530,8 @@ local function RefreshNow()
 
     local dockList = GENERAL_CHAT_DOCK and GENERAL_CHAT_DOCK.DOCKED_CHAT_FRAMES
     local count = 0
+    local seenScrolling = false
+    local tabGap = (cfg.tabSpacing or 1) * ((EUI.PP and EUI.PP.mult) or 1)
     if type(dockList) == "table" then
         for i = 1, #dockList do
             local cf = dockList[i]
@@ -550,12 +552,22 @@ local function RefreshNow()
                 -- discriminator is the tab's REAL parent (the scroll
                 -- child), never the temporary flag.
                 local wantParent = strip
-                if scrollChild and tab:GetParent() == scrollChild
-                    and EnsureDynClip() then
+                local isScrolling = scrollChild and tab:GetParent() == scrollChild
+                if isScrolling and EnsureDynClip() then
                     wantParent = dynClip
                 end
                 if g:GetParent() ~= wantParent then g:SetParent(wantParent) end
 
+                -- FCFDock_UpdateTabs leaves one UI unit between tabs in each
+                -- group, but none before the first scrolling tab. Compensate
+                -- on our visual only; never re-anchor Blizzard's click targets.
+                local nativeGap = isScrolling and not seenScrolling and 0 or 1
+                if isScrolling then seenScrolling = true end
+                local leftInset = count == 1 and leftExtend or 0
+                if count > 1 and cfg.extendBgBehindTabs ~= true then
+                    leftInset = tabGap - nativeGap
+                end
+
                 g:ClearAllPoints()
                 local band = ns._chatBgExt
                 if band and band:IsShown() then
@@ -577,7 +589,7 @@ local function RefreshNow()
                     g:SetPoint("RIGHT", tab, "RIGHT", 0, 0)
                 else
                     -- Island tabs: bottom-aligned to the tab, our height.
-                    g:SetPoint("BOTTOMLEFT", tab, "BOTTOMLEFT", count == 1 and leftExtend or 0, 0)
+                    g:SetPoint("BOTTOMLEFT", tab, "BOTTOMLEFT", leftInset, 0)
                     g:SetPoint("BOTTOMRIGHT", tab, "BOTTOMRIGHT", 0, 0)
                     g:SetHeight(height)
                 end