diff --git a/lib/libunwind/include/__libunwind_config.h b/lib/libunwind/include/__libunwind_config.h
index 028b9e3baa80657c3b662863d5b6b4b77b72c44a..bb7fe4c83a3c17774f1466e8f8378d8dc0dd810f 100644
--- a/lib/libunwind/include/__libunwind_config.h
+++ b/lib/libunwind/include/__libunwind_config.h
@@ -53,6 +53,9 @@
 #    else
 #      define _LIBUNWIND_CURSOR_SIZE 66
 #    endif
+#  elif defined(__ILP32__)
+#    define _LIBUNWIND_CONTEXT_SIZE 21
+#    define _LIBUNWIND_CURSOR_SIZE 28
 #  else
 #    define _LIBUNWIND_CONTEXT_SIZE 21
 #    define _LIBUNWIND_CURSOR_SIZE 33