diff --git a/packages/react-nft-collections/src/extensions/minting/useOwnerMinter.ts b/packages/react-nft-collections/src/extensions/minting/useOwnerMinter.ts
index 480e5a1b8..a902bf4d4 100644
--- a/packages/react-nft-collections/src/extensions/minting/useOwnerMinter.ts
+++ b/packages/react-nft-collections/src/extensions/minting/useOwnerMinter.ts
@@ -29,7 +29,7 @@ export const useOwnerMinter = ({
     contractInterface,
     contractAddress,
     signerOrProvider,
-    functionName: 'mintByOwner',
+    functionName: 'mintByOwner(address,uint256)',
     args: [toAddress, mintCount] as ArgsType,
   });
 };
diff --git a/packages/react-nft-collections/src/extensions/minting/useRoleBasedMinter.ts b/packages/react-nft-collections/src/extensions/minting/useRoleBasedMinter.ts
index e50f73406..bbdfe0ca8 100644
--- a/packages/react-nft-collections/src/extensions/minting/useRoleBasedMinter.ts
+++ b/packages/react-nft-collections/src/extensions/minting/useRoleBasedMinter.ts
@@ -29,7 +29,7 @@ export const useRoleBasedMinter = ({
     contractInterface,
     contractAddress,
     signerOrProvider,
-    functionName: 'mintByRole',
+    functionName: 'mintByRole(address,uint256)',
     args: [toAddress, mintCount] as ArgsType,
   });
 };