diff --git a/plothist/plothist_style.py b/plothist/plothist_style.py
index 5693d798..51684616 100644
--- a/plothist/plothist_style.py
+++ b/plothist/plothist_style.py
@@ -248,14 +248,14 @@ def add_text(
         x = 0.0
     elif x=="right":
         x = 1.0
-    elif type(x)!=float or type(x)!=int:
+    elif type(x)!=float and type(x)!=int:
         raise ValueError(f"x should be a float or 'left'/'right' ({x} given))")
 
     if y=="top":
         y = 1.01
     elif y=="bottom":
         y = 0.0
-    elif type(y)!=float or type(y)!=int:
+    elif type(y)!=float and type(y)!=int:
         raise ValueError(f"y should be a float or 'top'/'bottom' ({y} given)")
 
     t = ax.text(