1 files changed, 2 insertions, 0 deletions
diff --git a/tests/runner.py b/tests/runner.py
index b3c6835f..81b1ed5f 100644
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -281,6 +281,8 @@ if 'benchmark' not in str(sys.argv):
         self.do_run(src, 'hello, world!')
 
     def test_intvars(self):
+        Settings.I64_MODE = 0 # We do not support 64-bit addition etc. in mode 1
+
         src = '''
           #include <stdio.h>
           int global = 20;