diff --git a/pvl/token.py b/pvl/token.py
index 2f966b9..7478554 100644
--- a/pvl/token.py
+++ b/pvl/token.py
@@ -58,8 +58,8 @@ def __index__(self):
             try:
                 return self.decoder.decode_non_decimal(str(self))
             except ValueError:
-                if int(self) == float(self):
-                    return int(self)
+                if int(str(self)) == float(str(self)):
+                    return int(str(self))
 
         raise ValueError(f"The {self:r} cannot be used as an index.")