diff --git a/lib/kredits.js b/lib/kredits.js
index f4a065d..9062d69 100644
--- a/lib/kredits.js
+++ b/lib/kredits.js
@@ -90,7 +90,9 @@ class Kredits {
     if (!address || !abi) {
       throw new Error(`Address or ABI not found for ${contractName}`);
     }
-    let contract = new ethers.Contract(address, abi, this.signer);
+
+    let signerOrProvider = this.signer || this.provider;
+    let contract = new ethers.Contract(address, abi, signerOrProvider);
     this.contracts[name] = new Contracts[contractName](contract);
     this.contracts[name].ipfs = this.ipfs;