diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d99ebf83..014437e17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,10 @@
   [John Fairhurst](https://github.com/johnfairh)
   [#972](https://github.com/realm/jazzy/issues/972)
 
+* Fix error compiling a Swift podspec in Xcode 10.  
+  [Minh Nguyễn](https://github.com/1ec5)
+  [#970](https://github.com/realm/jazzy/issues/970)
+
 ## 0.9.3
 
 ##### Breaking
diff --git a/lib/jazzy/podspec_documenter.rb b/lib/jazzy/podspec_documenter.rb
index 419c746c5..fbd2b2094 100644
--- a/lib/jazzy/podspec_documenter.rb
+++ b/lib/jazzy/podspec_documenter.rb
@@ -28,7 +28,7 @@ def sourcekitten_output(config)
           targets.map do |t|
             args = %W[doc --module-name #{podspec.module_name} -- -target #{t}]
             swift_version = (config.swift_version || '4')[0] + '.0'
-            args << "SWIFT_VERSION=\"#{swift_version}\""
+            args << "SWIFT_VERSION=#{swift_version}"
             SourceKitten.run_sourcekitten(args)
           end
         end