diff --git a/odoo/tools/safe_eval.py b/odoo/tools/safe_eval.py
index fec89fac087..7f5d6e35e71 100644
--- a/odoo/tools/safe_eval.py
+++ b/odoo/tools/safe_eval.py
@@ -96,6 +96,7 @@ _SAFE_OPCODES = _EXPR_OPCODES.union(set(opmap[x] for x in [
     'POP_BLOCK', 'POP_EXCEPT', # Seems to be a special-case of POP_BLOCK for P3
     'SETUP_LOOP', 'BREAK_LOOP', 'CONTINUE_LOOP',
     'MAKE_FUNCTION', 'CALL_FUNCTION',
+    'EXTENDED_ARG',  # P3.6 for long jump offsets.
     # P3: https://bugs.python.org/issue27213
     'CALL_FUNCTION_EX',
     # Already in P2 but apparently the first one is used more aggressively in P3