diff --git a/xctool/xctool-tests/OCUnitTestRunnerTests.m b/xctool/xctool-tests/OCUnitTestRunnerTests.m
index 75e841746..b01d6c4c6 100644
--- a/xctool/xctool-tests/OCUnitTestRunnerTests.m
+++ b/xctool/xctool-tests/OCUnitTestRunnerTests.m
@@ -103,7 +103,7 @@ + (void)setUp
 
 #pragma mark iOS Tests
 
-- (void)runTestsForRunner:(OCUnitTestRunner *)runner andReturnLaunchOptions:(NSDictionary **)outOptions
+- (void)runTestsForRunner:(OCUnitTestRunner *)runner andReturnLaunchOptions:(NSDictionary * __strong *)outOptions
 {
   [Swizzler whileSwizzlingSelector:@selector(launchApplicationWithID:options:error:)
                forInstancesOfClass:[SimDevice class]