diff --git a/src/sinol_make/contest_types/default.py b/src/sinol_make/contest_types/default.py
index 5480aeaf..5e4a3be3 100644
--- a/src/sinol_make/contest_types/default.py
+++ b/src/sinol_make/contest_types/default.py
@@ -64,7 +64,7 @@ def get_possible_score(self, groups: List[int], scores: Dict[int, int]) -> int:
         :param scores: Dictionary: {"<group>": <points>}
         :return: Maximum possible score.
         """
-        if groups[0] == 0 and len(groups) == 1:
+        if len(groups) == 0 or (groups[0] == 0 and len(groups) == 1):
             return 0
 
         possible_score = 0
diff --git a/tests/commands/gen/test_integration.py b/tests/commands/gen/test_integration.py
index da8c5fa7..a1bd17a7 100644
--- a/tests/commands/gen/test_integration.py
+++ b/tests/commands/gen/test_integration.py
@@ -245,7 +245,7 @@ def test_fsanitize(create_package):
         pytest.skip("-fsanitize=address,undefined is not supported on Apple Silicon")
     for ingen in ["prog/geningen3.cpp", "prog/geningen4.cpp"]:
         with pytest.raises(SystemExit) as e:
-            simple_run([ingen])
+            simple_run(["--fsanitize", ingen])
         assert e.type == SystemExit
         assert e.value.code == 1
 
diff --git a/tests/commands/inwer/test_integration.py b/tests/commands/inwer/test_integration.py
index 9beb1297..3135003a 100644
--- a/tests/commands/inwer/test_integration.py
+++ b/tests/commands/inwer/test_integration.py
@@ -19,12 +19,7 @@ def test_default(capsys, create_package):
     parser = configure_parsers()
     args = parser.parse_args(["inwer"])
     command = Command()
-
-    with pytest.raises(SystemExit) as e:
-        command.run(args)
-
-    assert e.type == SystemExit
-    assert e.value.code == 0
+    command.run(args)
 
     out = capsys.readouterr().out
     assert "Verification successful." in out
@@ -42,12 +37,7 @@ def test_specified_inwer(capsys, create_package):
     for inwer_path in ["prog/werinwer.cpp", "prog/werinwer7.cpp"]:
         args = parser.parse_args(["inwer", inwer_path])
         command = Command()
-
-        with pytest.raises(SystemExit) as e:
-            command.run(args)
-
-        assert e.type == SystemExit
-        assert e.value.code == 0
+        command.run(args)
 
         out = capsys.readouterr().out
         assert "Verification successful." in out
@@ -98,12 +88,7 @@ def test_flag_tests(capsys, create_package):
     parser = configure_parsers()
     args = parser.parse_args(["inwer", "prog/werinwer.cpp", "--tests", "in/wer2a.in"])
     command = Command()
-
-    with pytest.raises(SystemExit) as e:
-        command.run(args)
-
-    assert e.type == SystemExit
-    assert e.value.code == 0
+    command.run(args)
 
     out = capsys.readouterr().out
     assert "Verification successful." in out
@@ -137,10 +122,7 @@ def test_no_output(capsys, create_package):
     parser = configure_parsers()
     args = parser.parse_args(["inwer", "prog/werinwer4.cpp"])
     command = Command()
-
-    with pytest.raises(SystemExit) as e:
-        command.run(args)
-    assert e.value.code == 0
+    command.run(args)
     out = capsys.readouterr().out
     assert "No output" in out
 
@@ -154,7 +136,7 @@ def test_fsanitize(create_package):
         pytest.skip("-fsanitize=address,undefined is not supported on Apple Silicon")
     for inwer in ["prog/werinwer5.cpp", "prog/werinwer6.cpp"]:
         parser = configure_parsers()
-        args = parser.parse_args(["inwer", inwer])
+        args = parser.parse_args(["inwer", "--fsanitize", inwer])
         command = Command()
         with pytest.raises(SystemExit) as e:
             command.run(args)
diff --git a/tests/test_multiple_arguments.py b/tests/test_multiple_arguments.py
index 4a508c70..4607a318 100644
--- a/tests/test_multiple_arguments.py
+++ b/tests/test_multiple_arguments.py
@@ -21,7 +21,7 @@ def test_simple_package(create_package):
 
 @pytest.mark.parametrize("create_package", [util.get_inwer_package_path()], indirect=True)
 def test_inwer_package(create_package):
-    run("sinol-make ingen inwer run")
+    run("sinol-make gen inwer run")
     run("sinol-make ingen prog/weringen.cpp inwer prog/werinwer.cpp --tests wer1a.in run --tests wer2a.in")
     run("sinol-make ingen inwer run export --no-statement")