diff --git a/context/ChainsContext/helpers.tsx b/context/ChainsContext/helpers.tsx
index e4cb172..a679714 100644
--- a/context/ChainsContext/helpers.tsx
+++ b/context/ChainsContext/helpers.tsx
@@ -27,7 +27,7 @@ export const isChainInfoFilled = (chain: Partial<ChainInfo>): chain is ChainInfo
       chain.denom &&
       chain.displayDenom &&
       Number.isSafeInteger(chain.displayDenomExponent) &&
-      chain.displayDenomExponent && // Check not needed but narrows next line's type
+      typeof chain.displayDenomExponent === "number" &&
       chain.displayDenomExponent >= 0 &&
       chain.assets?.length &&
       chain.gasPrice &&