diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bd135f1..510d0e9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix escapes prematurely terminated by terminators in unicode glyphs
 - Incorrect location when clicking inside an unfocused window on macOS
 - Startup mode `Maximized` on Windows
+- Crash when writing a fullwidth character in the last column with auto-wrap mode disabled
 
 ## 0.4.2
 
diff --git a/alacritty_terminal/src/term/mod.rs b/alacritty_terminal/src/term/mod.rs
index 040c7228..d5759421 100644
--- a/alacritty_terminal/src/term/mod.rs
+++ b/alacritty_terminal/src/term/mod.rs
@@ -1462,10 +1462,16 @@ impl<T: EventListener> Handler for Term<T> {
         if width == 1 {
             self.write_at_cursor(c);
         } else {
-            // Insert extra placeholder before wide char if glyph doesn't fit in this row anymore.
             if self.cursor.point.col + 1 >= num_cols {
-                self.write_at_cursor(' ').flags.insert(Flags::WIDE_CHAR_SPACER);
-                self.wrapline();
+                if self.mode.contains(TermMode::LINE_WRAP) {
+                    // Insert placeholder before wide char if glyph does not fit in this row.
+                    self.write_at_cursor(' ').flags.insert(Flags::WIDE_CHAR_SPACER);
+                    self.wrapline();
+                } else {
+                    // Prevent out of bounds crash when linewrapping is disabled.
+                    self.input_needs_wrap = true;
+                    return;
+                }
             }
 
             // Write full width glyph to current cursor cell.