diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index 1e47eb46a891b07f3847990e63b1db9514ea79c2..88919f9295f48c05ec5db18d7d0e8affa06a6fc2 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -4098,8 +4098,10 @@ impl Editor {
 
                         if buffer.contains_str_at(selection.start, &pair.end) {
                             let pair_start_len = pair.start.len();
-                            if buffer.contains_str_at(selection.start - pair_start_len, &pair.start)
-                            {
+                            if buffer.contains_str_at(
+                                selection.start.saturating_sub(pair_start_len),
+                                &pair.start,
+                            ) {
                                 selection.start -= pair_start_len;
                                 selection.end += pair.end.len();