diff --git a/tools/test_framework.py b/tools/test_framework.py
index 01c45a1..9ef1113 100755
--- a/tools/test_framework.py
+++ b/tools/test_framework.py
@@ -80,6 +80,8 @@
       tool_args = ['--num-threads=8'] + tool_args
       if args.tool == 'goyt-release':
         tool_args.append('--no-locals')
+      else:
+        tool_args.append('--no-optimize')
     elif args.tool == 'dx':
       tool_file = DX_JAR
       xmx = '-Xmx1600m'