diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b4c2ef6ca..d54aa97a78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Fixed `DataTable.update_cell` not raising an error with an invalid column key https://github.com/Textualize/textual/issues/3335
 - Fixed `Input` showing suggestions when not focused https://github.com/Textualize/textual/pull/3808
+- Fixed `Widget.loading` overlay being affected by scroll position and scrollbar gutter https://github.com/Textualize/textual/pull/3813
 
 ### Removed
 
diff --git a/src/textual/widgets/_loading_indicator.py b/src/textual/widgets/_loading_indicator.py
index a61a476e8d..fb5ef9be1c 100644
--- a/src/textual/widgets/_loading_indicator.py
+++ b/src/textual/widgets/_loading_indicator.py
@@ -26,20 +26,22 @@ class LoadingIndicator(Widget):
         color: $accent;
     }
     LoadingIndicator.-overlay {
+        dock: top;
         layer: _loading;
         background: $boost;
     }
     """
 
     _widget_state: ClassVar[
-        WeakKeyDictionary[Widget, tuple[bool, str, str]]
+        WeakKeyDictionary[Widget, tuple[bool, str, str, str]]
     ] = WeakKeyDictionary()
-    """Widget state that must be restore after loading.
-    
+    """Widget state that must be restored after loading.
+
     The tuples indicate the original values of the:
      - widget disabled state;
-     - widget style overflow_x rule; and
-     - widget style overflow_y rule.
+     - widget style overflow_x rule;
+     - widget style overflow_y rule; and
+     - widget style scrollbar_gutter rule.
     """
 
     def __init__(
@@ -79,7 +81,9 @@ def apply(self, widget: Widget) -> AwaitMount:
             widget.disabled,
             widget.styles.overflow_x,
             widget.styles.overflow_y,
+            widget.styles.scrollbar_gutter,
         )
+        widget.styles.scrollbar_gutter = "auto"
         widget.styles.overflow_x = "hidden"
         widget.styles.overflow_y = "hidden"
         widget.disabled = True
@@ -106,10 +110,13 @@ async def null() -> None:
             await_remove = null()
 
         if widget in cls._widget_state:
-            disabled, overflow_x, overflow_y = cls._widget_state[widget]
-            widget.disabled = disabled
+            disabled, overflow_x, overflow_y, scrollbar_gutter = cls._widget_state[
+                widget
+            ]
+            widget.styles.scrollbar_gutter = scrollbar_gutter
             widget.styles.overflow_x = overflow_x
             widget.styles.overflow_y = overflow_y
+            widget.disabled = disabled
 
         return await_remove