diff --git a/freqtrade/arguments.py b/freqtrade/arguments.py
index 327915b61..5afa8fa06 100644
--- a/freqtrade/arguments.py
+++ b/freqtrade/arguments.py
@@ -405,7 +405,7 @@ class Arguments(object):
         raise Exception('Incorrect syntax for timerange "%s"' % text)
 
     @staticmethod
-    def check_int_positive(value) -> int:
+    def check_int_positive(value: str) -> int:
         try:
             uint = int(value)
             if uint <= 0:
diff --git a/freqtrade/tests/test_arguments.py b/freqtrade/tests/test_arguments.py
index 455f3dbc6..ecd108b5e 100644
--- a/freqtrade/tests/test_arguments.py
+++ b/freqtrade/tests/test_arguments.py
@@ -187,13 +187,17 @@ def test_testdata_dl_options() -> None:
 
 
 def test_check_int_positive() -> None:
-    assert Arguments.check_int_positive(2) == 2
-    assert Arguments.check_int_positive(6) == 6
-    with pytest.raises(argparse.ArgumentTypeError):
-        Arguments.check_int_positive(-6)
 
-    assert Arguments.check_int_positive(2.5) == 2
     assert Arguments.check_int_positive("3") == 3
+    assert Arguments.check_int_positive("1") == 1
+    assert Arguments.check_int_positive("100") == 100
+
+    with pytest.raises(argparse.ArgumentTypeError):
+        Arguments.check_int_positive("-2")
+
+    with pytest.raises(argparse.ArgumentTypeError):
+        Arguments.check_int_positive("0")
+
     with pytest.raises(argparse.ArgumentTypeError):
         Arguments.check_int_positive("3.5")