diff --git a/safe_eth/eth/oracles/oracles.py b/safe_eth/eth/oracles/oracles.py
index 3768a8aa..d76690a1 100644
--- a/safe_eth/eth/oracles/oracles.py
+++ b/safe_eth/eth/oracles/oracles.py
@@ -44,7 +44,7 @@
 @dataclass
 class UnderlyingToken:
     address: ChecksumAddress
-    quantity: int
+    quantity: float
 
 
 class BaseOracle(ABC):