diff --git a/jass/models/plots.py b/jass/models/plots.py
index c5985ccf65912bc38e57fedd4eba02c9478de409..c5f12b9ff09e3a6e4da03473fb605a346e998358 100644
--- a/jass/models/plots.py
+++ b/jass/models/plots.py
@@ -263,7 +263,7 @@ def create_qq_plot(work_file_path: str, qq_plot_path: str):
         "Univariate q-value" : qvalue_univ.sort_values().values,
         })
     QQ_pval = QQ_pval.iloc[::20,].dropna()
-    exp_val = np.flip(- np.log10(QQ_pval.index.values /  QQ_pval.index.max()))
+    exp_val = np.flip(- np.log10((QQ_pval.index.values+1) /  (QQ_pval.index.max()+1)))
 
     exp_val[-1] = QQ_pval.max().max()
     QQ_pval.index = exp_val
diff --git a/jass/test/__init__.py b/jass/test/__init__.py
index 2575df0354d31b1c9ef0d5a08a73504f58b74fce..25cecd228521526e63f108c1b71fb40649abfcaf 100644
--- a/jass/test/__init__.py
+++ b/jass/test/__init__.py
@@ -24,7 +24,6 @@ class JassTestCase(unittest.TestCase):
             os.path.dirname(os.path.abspath(__file__)), cls.test_folder, test_file_name
         )
 
-
 class JassWebClientTestCase(JassTestCase):
     def setUp(self) -> None:
         from jass.config import config