diff --git a/pystencils/interpolation_astnodes.py b/pystencils/interpolation_astnodes.py
index 7ef2f2586e59ebd16dc5460875454cb7aa67c90e..28d45c2dc4e0def15d4a63842ebec73cc3e56359 100644
--- a/pystencils/interpolation_astnodes.py
+++ b/pystencils/interpolation_astnodes.py
@@ -81,7 +81,7 @@ class Interpolator(object):
         self.field.field_type = pystencils.field.FieldType.CUSTOM
         self.address_mode = address_mode
         self.use_normalized_coordinates = use_normalized_coordinates
-        hash_str = hashlib.md5(f'{self.field}_{address_mode}'.encode()).hexdigest()
+        hash_str = hashlib.md5(f'{self.field}_{address_mode}_{interpolation_mode}'.encode()).hexdigest()
         self.symbol = TypedSymbol('dummy_symbol_carrying_field' + self.field.name + hash_str,
                                   'dummy_symbol_carrying_field' + self.field.name + hash_str)
         self.symbol.field = self.field