2 files changed, 3 insertions, 3 deletions
diff --git a/src/ts/utils/utils.ts b/src/ts/utils/utils.ts
index 893f82ca3..04ac36b54 100644
--- a/src/ts/utils/utils.ts
+++ b/src/ts/utils/utils.ts
@@ -1,5 +1,5 @@
 export const utils = {
-    consoleLog(message: string) {
+    consoleLog(message: string): void {
         /* tslint:disable */
         console.log(message);
         /* tslint:enable */
diff --git a/src/ts/web3_wrapper.ts b/src/ts/web3_wrapper.ts
index ec3be994f..969c2c040 100644
--- a/src/ts/web3_wrapper.ts
+++ b/src/ts/web3_wrapper.ts
@@ -34,7 +34,7 @@ export class Web3Wrapper {
     public getCurrentProvider(): Web3.Provider {
         return this.web3.currentProvider;
     }
-    public async getNetworkIdIfExistsAsync() {
+    public async getNetworkIdIfExistsAsync(): Promise<number|undefined> {
         try {
             const networkId = await this.getNetworkAsync();
             return Number(networkId);
@@ -64,7 +64,7 @@ export class Web3Wrapper {
         const {timestamp} = await promisify(this.web3.eth.getBlock)(blockHash);
         return timestamp;
     }
-    private async getNetworkAsync() {
+    private async getNetworkAsync(): Promise<number> {
         const networkId = await promisify(this.web3.version.getNetwork)();
         return networkId;
     }