3 files changed, 6 insertions, 6 deletions
diff --git a/packages/deployer/src/cli.ts b/packages/deployer/src/cli.ts
index 176eaf973..efbf56bb0 100644
--- a/packages/deployer/src/cli.ts
+++ b/packages/deployer/src/cli.ts
@@ -29,7 +29,7 @@ async function onCompileCommandAsync(argv: CliOptions): Promise<void> {
     const opts: CompilerOptions = {
         contractsDir: argv.contractsDir,
         networkId: argv.networkId,
-        optimizerEnabled: argv.shouldOptimize ? 1 : 0,
+        optimizerEnabled: argv.shouldOptimize,
         artifactsDir: argv.artifactsDir,
         specifiedContracts: getContractsSetFromList(argv.contracts),
     };
@@ -47,7 +47,7 @@ async function onDeployCommandAsync(argv: CliOptions): Promise<void> {
     const compilerOpts: CompilerOptions = {
         contractsDir: argv.contractsDir,
         networkId,
-        optimizerEnabled: argv.shouldOptimize ? 1 : 0,
+        optimizerEnabled: argv.shouldOptimize,
         artifactsDir: argv.artifactsDir,
         specifiedContracts: getContractsSetFromList(argv.contracts),
     };
diff --git a/packages/deployer/src/compiler.ts b/packages/deployer/src/compiler.ts
index 942777458..28232a661 100644
--- a/packages/deployer/src/compiler.ts
+++ b/packages/deployer/src/compiler.ts
@@ -32,7 +32,7 @@ const DEPENDENCY_PATH_REGEX = /"([^"]+)"/; // Source: https://github.com/BlockCh
 export class Compiler {
     private _contractsDir: string;
     private _networkId: number;
-    private _optimizerEnabled: number;
+    private _optimizerEnabled: boolean;
     private _artifactsDir: string;
     private _contractSources?: ContractSources;
     private _solcErrors: Set<string> = new Set();
@@ -223,7 +223,7 @@ export class Compiler {
         };
         const compiled = solcInstance.compile(
             sourcesToCompile,
-            this._optimizerEnabled,
+            Number(this._optimizerEnabled),
             this._findImportsIfSourcesExist.bind(this),
         );
 
diff --git a/packages/deployer/src/utils/types.ts b/packages/deployer/src/utils/types.ts
index f33f8f66a..13b24b9b7 100644
--- a/packages/deployer/src/utils/types.ts
+++ b/packages/deployer/src/utils/types.ts
@@ -20,7 +20,7 @@ export interface ContractNetworks {
 
 export interface ContractNetworkData {
     solc_version: string;
-    optimizer_enabled: number;
+    optimizer_enabled: boolean;
     keccak256: string;
     source_tree_hash: string;
     abi: Web3.ContractAbi;
@@ -53,7 +53,7 @@ export interface CliOptions extends yargs.Arguments {
 export interface CompilerOptions {
     contractsDir: string;
     networkId: number;
-    optimizerEnabled: number;
+    optimizerEnabled: boolean;
     artifactsDir: string;
     specifiedContracts: Set<string>;
 }