diff --git a/lib/modules/fuzzer/index.js b/lib/modules/fuzzer/index.js
index 7ff4dd6b..a38dc89c 100644
--- a/lib/modules/fuzzer/index.js
+++ b/lib/modules/fuzzer/index.js
@@ -21,7 +21,7 @@ class ContractFuzzer {
       contract.abiDefinition.filter((x) => x.inputs && x.inputs.length != 0).forEach((abiMethod) => {
         let name = abiMethod.type === "constructor" ? "constructor" : abiMethod.name;
         let inputTypes = abiMethod.inputs.map(input => input.type);
-        fuzzMap[name] = inputTypes.map(input => this.getTypeFuzz.bind(this));
+        fuzzMap[name] = inputTypes.map(input => this.getTypeFuzz(input));
       });
     }
     for (let key in fuzzMap) self.logger.info(key + ":" + fuzzMap[key]);