diff --git a/CHANGELOG.md b/CHANGELOG.md
index 750e20cb..132927b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # OHHTTPStubs — CHANGELOG
 
+## Master
+
+* added `@discardableResult` to func stub for swift 3.  
+  [@mrkite](https://github.com/mrkite), [#203](https://github.com/AliSoftware/OHHTTPStubs/pull/203)
+
 ## [5.2.1](https://github.com/AliSoftware/OHHTTPStubs/releases/tag/5.2.0)
 
 * Fix typos in README and documentation.  
diff --git a/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift b/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift
index 147fda67..3ffdc964 100644
--- a/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift
+++ b/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift
@@ -84,6 +84,7 @@ public func fixture(filePath: String, status: Int32 = 200, headers: [NSObject: A
  *            and can be later used to remove it with `removeStub:`
  */
 #if swift(>=3.0)
+@discardableResult
 public func stub(condition: @escaping OHHTTPStubsTestBlock, response: @escaping OHHTTPStubsResponseBlock) -> OHHTTPStubsDescriptor {
     return OHHTTPStubs.stubRequests(passingTest: condition, withStubResponse: response)
 }