diff --git a/src/idl_parser.cpp b/src/idl_parser.cpp
index 1bafd9b1f..4749f3650 100644
--- a/src/idl_parser.cpp
+++ b/src/idl_parser.cpp
@@ -1280,7 +1280,7 @@ void SimpleQsort(T *begin, T *end, size_t width, F comparator, S swapper) {
       r -= width;
       swapper(l, r);
     } else {
-      l++;
+      l += width;
     }
   }
   l -= width;