diff --git a/oxrlib/__main__.py b/oxrlib/__main__.py
index b3ef26c72ad7eed52d3d521f6f2f65a9fc7bc4c9..3ddac6fd491b749f34eb03b5b4399467b76a19d3 100644
--- a/oxrlib/__main__.py
+++ b/oxrlib/__main__.py
@@ -7,8 +7,17 @@ import oxrlib.config
 def decimal_context(base=decimal.BasicContext):
     context = base.copy()
     context.rounding = decimal.ROUND_HALF_EVEN
-    context.traps[decimal.Inexact] = False
-    context.traps[decimal.Rounded] = False
+    context.traps = {
+        decimal.Clamped: True,
+        decimal.DivisionByZero: True,
+        decimal.FloatOperation: True,
+        decimal.Inexact: False,
+        decimal.InvalidOperation: True,
+        decimal.Overflow: True,
+        decimal.Rounded: False,
+        decimal.Subnormal: True,
+        decimal.Underflow: True,
+    }
     return context
 
 def main(arglist=None, stdout=sys.stdout, stderr=sys.stderr):