Fix the undefined opts bug

1 files changed, 2 insertions, 2 deletions

diff --git a/packages/sol-compiler/src/compiler.ts b/packages/sol-compiler/src/compiler.ts
index c5dea1155..686ba4f82 100644
--- a/packages/sol-compiler/src/compiler.ts
+++ b/packages/sol-compiler/src/compiler.ts
@@ -96,12 +96,12 @@ export class Compiler {
      * @return An instance of the Compiler class.
      */
     constructor(opts?: CompilerOptions) {
-        assert.doesConformToSchema('opts', opts, compilerOptionsSchema);
+        const passedOpts = opts || {};
+        assert.doesConformToSchema('opts', passedOpts, compilerOptionsSchema);
         // TODO: Look for config file in parent directories if not found in current directory
         const config: CompilerOptions = fs.existsSync(CONFIG_FILE)
             ? JSON.parse(fs.readFileSync(CONFIG_FILE).toString())
             : {};
-        const passedOpts = opts || {};
         assert.doesConformToSchema('compiler.json', config, compilerOptionsSchema);
         this._contractsDir = path.resolve(passedOpts.contractsDir || config.contractsDir || DEFAULT_CONTRACTS_DIR);
         this._solcVersionIfExists = passedOpts.solcVersion || config.solcVersion;