diff --git a/crates/ruff_annotate_snippets/src/renderer/display_list.rs b/crates/ruff_annotate_snippets/src/renderer/display_list.rs
index 91e031b878..3037cb8943 100644
--- a/crates/ruff_annotate_snippets/src/renderer/display_list.rs
+++ b/crates/ruff_annotate_snippets/src/renderer/display_list.rs
@@ -352,7 +352,7 @@ impl DisplaySet<'_> {
                         // FIXME: `unicode_width` sometimes disagrees with terminals on how wide a `char`
                         // is. For now, just accept that sometimes the code line will be longer than
                         // desired.
-                        let next = unicode_width::UnicodeWidthChar::width(ch).unwrap_or(1);
+                        let next = char_width(ch).unwrap_or(1);
                         if taken + next > right - left {
                             was_cut_right = true;
                             break;
@@ -377,7 +377,7 @@ impl DisplaySet<'_> {
                     let left: usize = text
                         .chars()
                         .take(left)
-                        .map(|ch| unicode_width::UnicodeWidthChar::width(ch).unwrap_or(1))
+                        .map(|ch| char_width(ch).unwrap_or(1))
                         .sum();
 
                     let mut annotations = annotations.clone();
@@ -1393,6 +1393,7 @@ fn format_body<'m>(
         let line_length: usize = line.len();
         let line_range = (current_index, current_index + line_length);
         let end_line_size = end_line.len();
+
         body.push(DisplayLine::Source {
             lineno: Some(current_line),
             inline_marks: vec![],
@@ -1452,12 +1453,12 @@ fn format_body<'m>(
                         let annotation_start_col = line
                             [0..(start - line_start_index).min(line_length)]
                             .chars()
-                            .map(|c| unicode_width::UnicodeWidthChar::width(c).unwrap_or(0))
+                            .map(|c| char_width(c).unwrap_or(0))
                             .sum::<usize>();
                         let mut annotation_end_col = line
                             [0..(end - line_start_index).min(line_length)]
                             .chars()
-                            .map(|c| unicode_width::UnicodeWidthChar::width(c).unwrap_or(0))
+                            .map(|c| char_width(c).unwrap_or(0))
                             .sum::<usize>();
                         if annotation_start_col == annotation_end_col {
                             // At least highlight something
@@ -1499,7 +1500,7 @@ fn format_body<'m>(
                         let annotation_start_col = line
                             [0..(start - line_start_index).min(line_length)]
                             .chars()
-                            .map(|c| unicode_width::UnicodeWidthChar::width(c).unwrap_or(0))
+                            .map(|c| char_width(c).unwrap_or(0))
                             .sum::<usize>();
                         let annotation_end_col = annotation_start_col + 1;
 
@@ -1558,7 +1559,7 @@ fn format_body<'m>(
                     {
                         let end_mark = line[0..(end - line_start_index).min(line_length)]
                             .chars()
-                            .map(|c| unicode_width::UnicodeWidthChar::width(c).unwrap_or(0))
+                            .map(|c| char_width(c).unwrap_or(0))
                             .sum::<usize>()
                             .saturating_sub(1);
                         // If the annotation ends on a line-end character, we
@@ -1754,3 +1755,11 @@ fn format_inline_marks(
     }
     Ok(())
 }
+
+fn char_width(c: char) -> Option<usize> {
+    if c == '\t' {
+        Some(4)
+    } else {
+        unicode_width::UnicodeWidthChar::width(c)
+    }
+}
diff --git a/crates/ruff_annotate_snippets/tests/fixtures/color/regression_leading_tab_long_line.svg b/crates/ruff_annotate_snippets/tests/fixtures/color/regression_leading_tab_long_line.svg
index e5a290c006..228ec94551 100644
--- a/crates/ruff_annotate_snippets/tests/fixtures/color/regression_leading_tab_long_line.svg
+++ b/crates/ruff_annotate_snippets/tests/fixtures/color/regression_leading_tab_long_line.svg
@@ -27,7 +27,7 @@
 </tspan>
     <tspan x="10px" y="82px"><tspan class="fg-bright-blue bold">4 |</tspan><tspan> </tspan><tspan class="fg-bright-blue bold">...</tspan><tspan>   s_data['d_dails'] = bb['contacted'][hostip]['ansible_facts']['ansible_devices']['vda']['vendor'] + " " + bb['contacted'][hostip</tspan><tspan class="fg-bright-blue bold">...</tspan>
 </tspan>
-    <tspan x="10px" y="100px"><tspan class="fg-bright-red bold">^</tspan><tspan> </tspan><tspan class="fg-bright-blue bold">|</tspan><tspan> </tspan><tspan class="fg-bright-red bold">unresolved reference</tspan>
+    <tspan x="10px" y="100px"><tspan>  </tspan><tspan class="fg-bright-blue bold">|</tspan><tspan>       </tspan><tspan class="fg-bright-red bold">^^^^^^</tspan>
 </tspan>
     <tspan x="10px" y="118px"><tspan>  </tspan><tspan class="fg-bright-blue bold">|</tspan>
 </tspan>
diff --git a/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.svg b/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.svg
index e4f8a856b6..67e2cfd9b2 100644
--- a/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.svg
+++ b/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.svg
@@ -21,7 +21,7 @@
   <text xml:space="preserve" class="container fg">
     <tspan x="10px" y="28px"><tspan class="fg-bright-red bold">error[E0308]</tspan><tspan>: </tspan><tspan class="bold">mismatched types</tspan>
 </tspan>
-    <tspan x="10px" y="46px"><tspan>  </tspan><tspan class="fg-bright-blue bold">--&gt;</tspan><tspan> $DIR/non-whitespace-trimming.rs:4:242</tspan>
+    <tspan x="10px" y="46px"><tspan>  </tspan><tspan class="fg-bright-blue bold">--&gt;</tspan><tspan> $DIR/non-whitespace-trimming.rs:4:238</tspan>
 </tspan>
     <tspan x="10px" y="64px"><tspan>   </tspan><tspan class="fg-bright-blue bold">|</tspan>
 </tspan>
diff --git a/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.toml b/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.toml
index c6573ff40a..bfe9f317f2 100644
--- a/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.toml
+++ b/crates/ruff_annotate_snippets/tests/fixtures/color/strip_line_non_ws.toml
@@ -13,12 +13,12 @@ origin = "$DIR/non-whitespace-trimming.rs"
 [[message.snippets.annotations]]
 label = "expected `()`, found integer"
 level = "Error"
-range = [241, 243]
+range = [237, 239]
 
 [[message.snippets.annotations]]
 label = "expected due to this"
 level = "Error"
-range = [236, 238]
+range = [232, 234]
 
 
 [renderer]