diff --git a/crates/egui/src/widgets/text_edit/builder.rs b/crates/egui/src/widgets/text_edit/builder.rs
index 465f5568..b3ac4cd8 100644
--- a/crates/egui/src/widgets/text_edit/builder.rs
+++ b/crates/egui/src/widgets/text_edit/builder.rs
@@ -730,14 +730,17 @@ impl TextEdit<'_> {
                 }
             }
 
-            // Allocate additional space if edits were made this frame that changed the size. This is important so that,
-            // if there's a ScrollArea, it can properly scroll to the cursor.
-            let extra_size = galley.size() - rect.size();
-            if extra_size.x > 0.0 || extra_size.y > 0.0 {
-                ui.allocate_rect(
-                    Rect::from_min_size(outer_rect.max, extra_size),
-                    Sense::hover(),
-                );
+            if !clip_text {
+                // Allocate additional space if edits were made this frame that changed the size. This is important so that,
+                // if there's a ScrollArea, it can properly scroll to the cursor.
+                // Condition `!clip_text` is important to avoid breaking layout for `TextEdit::singleline` (PR #5640)
+                let extra_size = galley.size() - rect.size();
+                if extra_size.x > 0.0 || extra_size.y > 0.0 {
+                    ui.allocate_rect(
+                        Rect::from_min_size(outer_rect.max, extra_size),
+                        Sense::hover(),
+                    );
+                }
             }
 
             painter.galley(galley_pos, galley.clone(), text_color);
diff --git a/crates/egui_demo_lib/tests/snapshots/demos/Code Example.png b/crates/egui_demo_lib/tests/snapshots/demos/Code Example.png
index ed731869..035f5944 100644
--- a/crates/egui_demo_lib/tests/snapshots/demos/Code Example.png	
+++ b/crates/egui_demo_lib/tests/snapshots/demos/Code Example.png	
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:322a50c522ba4ac67206332e1d251e121c8c3d5538ca7961880623b20f4933e5
-size 81732
+oid sha256:0466198f14d15f011e16d16efcc28aeaaf80978ea4e46b5d9a1282304c192c4c
+size 80907