diff --git a/pex/bin/pex.py b/pex/bin/pex.py
index 9afe6581c..1dad4327e 100755
--- a/pex/bin/pex.py
+++ b/pex/bin/pex.py
@@ -570,7 +570,7 @@ def build_pex(args, options, resolver_option_builder):
   if options.interpreter_constraint:
     for ic in constraints:
       pex_builder.add_interpreter_constraint(ic)
-  raise ValueError(pex_builder.info.build_properties)
+
   resolvables = [Resolvable.get(arg, resolver_option_builder) for arg in args]
 
   for requirements_txt in options.requirement_files:
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 1b66d4f9e..49d78813d 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -350,7 +350,7 @@ def test_interpreter_constraints_to_pex_info_py36():
     res = run_pex_command(['--disable-cache',
       '--interpreter-constraint=>=3',
       '-o', pex_out_path])
-    assert res.return_code is None
+    res.assert_success()
     pex_info = get_pex_info(pex_out_path)
     assert ['>=3'] == pex_info.interpreter_constraints
 
@@ -362,7 +362,7 @@ def test_interpreter_resolution_with_constraint_option():
       '--interpreter-constraint=>=2.7',
       '--interpreter-constraint=<3',
       '-o', pex_out_path])
-    assert res.return_code is None
+    res.assert_success()
 
 
 def test_interpreter_resolution_with_pex_python_path():