diff --git a/Sources/XcodeProj/Scheme/XCScheme+LaunchAction.swift b/Sources/XcodeProj/Scheme/XCScheme+LaunchAction.swift
index 8c6109745..889898230 100644
--- a/Sources/XcodeProj/Scheme/XCScheme+LaunchAction.swift
+++ b/Sources/XcodeProj/Scheme/XCScheme+LaunchAction.swift
@@ -48,7 +48,7 @@ public extension XCScheme {
                 runnable as? PathRunnable
             }
             set {
-                self.runnable = newValue
+                runnable = newValue
             }
         }