diff --git a/lib/range.js b/lib/range.js
index 4abdfe78..901722bc 100644
--- a/lib/range.js
+++ b/lib/range.js
@@ -16,7 +16,7 @@ module.exports.sliceRange = (lines, startCol, endCol, inclusive = false) => {
     if (startCol >= lines[mid].endCol) {
       start = mid + 1
     } else if (endCol < lines[mid].startCol) {
-      end = mid - 1
+      end = Math.max(mid - 1, start);
     } else {
       end = mid
       while (mid >= 0 && startCol < lines[mid].endCol && endCol >= lines[mid].startCol) {